Do Fetuses Poop?

Have you ever wondered what was going on with your bodily functions while you were in the womb? To put it a little more bluntly, did you, you know, pee and poop in there?

CREDITS
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Drawings by Ever Salazar
Created by Henry Reich, with Alex Reich, Peter Reich, Emily Elert, and Rose Eveleth.
Music by Nathaniel Schroeder

MinuteEarth is produced by Neptune Studios LLC
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We Found Earth’s Twin Planet But Time Works In A Different Way #planet #discovery

We discovered Earth’s twin planet, and it’s unlike anything we’ve ever seen! Time works differently on this mysterious world. Join us as we explore this incredible cosmic phenomenon and uncover the secrets of this extraordinary planet.

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Sumerian Library Describes Sky Creatures! Who Were They? 📜🛸🏛️🔎✨

Ancient clay tablets from Mesopotamia contain some of humanity’s oldest written stories, and among them are strange accounts of powerful beings said to have descended from the heavens. Found within libraries created by the Sumerians and later civilizations, these texts describe mysterious figures associated with knowledge, construction, astronomy, and the foundations of civilization itself. Historians view these accounts as mythology, while others argue they may preserve distorted memories of real events that occurred thousands of years ago. Whatever the truth may be, the stories continue to fascinate researchers because they reveal how ancient people tried to explain the origins of their world and the forces they believed shaped human history. This video explores the mysterious sky beings described in ancient Mesopotamian texts, what the tablets actually say, and why these stories remain some of the most debated legends ever recorded.
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GoldenChinchilla / Reddit
McFlash64 / Reddit
Clean-Software-4431 / Reddit
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Rabbit shopes papilloma virus 4: By WD45 – https://flic.kr/p/ybLFd, https://commons.wikimedia.org/w/index.php?curid=1798027
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Milwaukee Public Museum January 2023 07: By Michael Barera, https://commons.wikimedia.org/w/index.php?curid=130000525
MulApin-BritishMuseum: By British Museum – https://www.britishmuseum.org/collection/image/152339001, https://commons.wikimedia.org/w/index.php?curid=90184887
Clay tablet: By Osama Shukir Muhammed Amin FRCP(Glasg), https://commons.wikimedia.org/w/index.php?curid=95852308
Fall of nineveh: By (Mu-tamajo) むーたんじょ, https://commons.wikimedia.org/w/index.php?curid=48411583
Mr. George Smith: By Osama Shukir Muhammed Amin FRCP(Glasg), https://commons.wikimedia.org/w/index.php?curid=62659554
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Disaster That Turned Canada into a Mining Empire

Almost two billion years ago, a nine-mile-wide rock from space slammed into what is now Canada. It hit with the force of millions of nuclear bombs and punched a hole over 100 miles across. That catastrophe turned out to be one of the luckiest things that ever happened to Canada. Buried in the scar it left behind is a treasure worth more than almost any patch of ground on the planet.

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Titanic Rained Bodies for Miles — The Seafloor Still Shows What Happened

More than a century after Titanic disappeared into the North Atlantic, the most disturbing evidence of what happened may not be bodies at all — but what was left behind on the seafloor. A woman’s dress, a child’s clothing, scattered personal items… silent traces that suggest where victims may have fallen after the ship was lost.

In this video, we explore the haunting theory behind Titanic’s so-called “rain of corpses,” examine how clothing and personal effects can outlast the people who wore them, and look at what the wreck site and surrounding seabed may still reveal about the disaster’s final moments. Using survivor accounts, deep-sea conditions, and modern wreck analysis, we piece together one of Titanic’s darkest and most unsettling mysteries.

Sometimes the most chilling discoveries are not the bodies themselves — but the things they left behind.
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Is There A Better Way To Power Airplanes?

This video was made in partnership with Bill Gates. To learn more about his work on clean energy, visit https://gatesnot.es/2WDTJ1L

It’s hard to replace jet fuel because the alternatives aren’t energetic enough, are too dangerous, or aren’t yet being made at scale.

Thanks also to our Patreon patrons https://www.patreon.com/MinuteEarth and our YouTube members.
___________________________________________
To learn more, start your googling with these keywords:
Jet fuel – a liquid petroleum fuel with high specific energy and energy density, used in airplane jet engines, made of kerosene with a few additives
Specific Energy – how much energy something contains per unit mass
Energy Density – how much energy something contains per unit volume
Synthetic jet fuel – a jet fuel replacement, typically aiming to have lower life cycle environmental impacts than jet fuel (AKA: sustainable aviation fuel (SAF), alternative jet fuel, renewable aviation fuel, renewable jet fuel, biojet fuel, sustainable alternative fuel)
Kerosene – a petroleum product that is the main component of jet fuel (and old fashioned lanterns)
___________________________________________
If you liked this week’s video, you might also like:
What you get from a barrel of oil – https://www.eia.gov/energyexplained/oil-and-petroleum-products/
Real Engineering: Are Electric Planes Possible? – https://www.youtube.com/watch?v=VNvzZfsC13o&feature=youtu.be
_________________________________________
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
Support us on Patreon: https://goo.gl/ZVgLQZ
And visit our website: https://www.minuteearth.com/

Say hello on Facebook: http://goo.gl/FpAvo6
And Twitter: http://goo.gl/Y1aWVC

And download our videos on itunes: https://goo.gl/sfwS6n
___________________________________________
Credits (and Twitter handles):
Script Writer and Narrator: Alex Reich (@alexhreich)
Video Illustrators: Ever Salazar and Sarah Berman
Video Director: Ever Salazar (@eversalazar)
With Contributions From: Henry Reich, Kate Yoshida, Peter Reich, David Goldenberg, Julián Gómez, Arcadi Garcia Rius
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder
___________________________________________

References:

ATAG. Nov 2017. Beginner’s Guide to Sustainable Aviation Fuel, Edition 3. https://bit.ly/2AcJLLW Accessed Jan 2020.

ATAG. “Producing sustainable aviation fuel” https://bit.ly/3gncnmh Accessed Jan 2020

Burton, Freya. Personal communication, Feb 2020

Caldeira, K. Personal communication, Feb 2020

Cey, E., et al. 2019. Energy Education. “Oil formation.” https://bit.ly/3ej8r3Y Accessed Jan 2020

Chuck, C. (Ed.). 2016. Biofuels for aviation: feedstocks, technology and implementation. Academic Press

Goldmann, A., et al. 2018. A study on electrofuels in aviation. Energies, 11(2), 392. https://bit.ly/2AfRUis

Hileman, J. I., & Stratton, R. W. 2014. Alternative jet fuel feasibility. Transport Policy, 34, 52-62. https://bit.ly/2X8832H

IATA. May 2019. “Sustainable Aviation Fuels Fact sheet.” https://bit.ly/2ZO2BDX Accessed Jan 2020

IATA. December 2019. “Fuel Fact Sheet.” https://bit.ly/3dcJ0Ry Accessed March 2020

Le Feuvre, P. 18 March 2019. Are aviation biofuels ready for take off? https://bit.ly/2XA5R2T

Lehtveer, M., Brynolf, S., & Grahn, M. 2019. What Future for Electrofuels in Transport? Analysis of Cost Competitiveness in Global Climate Mitigation. Environmental science & technology, 53(3), 1690-1697. https://bit.ly/3d96QgX

McKinsey. Energy Resources. https://bit.ly/2M7pYzW Accessed December 2019.

Monroe Aerospace. 29 April 2019. Why Airplanes Use Kerosene Rather Than Plain Gasoline for Fuel. https://bit.ly/3d8FpnD

Searle, S. 15 Nov 2018. Decarbonizing aviation through low-carbon fuels will be beyond difficult. https://bit.ly/2zAN1kc

Shaw, R.J. 12 June 2014. “How does a jet engine work?” https://go.nasa.gov/2XOwG3F Accessed Jan 2020

Sindreu, J. 10 Jan 2020. The Promise of Sustainable Aviation Fuel Isn’t for Today. https://on.wsj.com/3gthykv

Wikipedia. “Nuclear Powered Aircraft” https://bit.ly/2ZGECGw Accessed Jan 2020.

Thanks also to Steve Thorne and Erik Pieh.

References for calculations
https://bit.ly/3c9Lvmc
https://bit.ly/2yC04kS
https://bit.ly/2X5OAPV
https://bit.ly/2zDqoLT
https://bit.ly/3gw1L4n
https://bit.ly/2TLZQPo
https://bit.ly/2TGOV9B
https://bit.ly/2TLG86r
https://bit.ly/2ZHdZkN
https://www.wolframalpha.com/input/?i=jet+fuel
https://www.toyota.com/corolla/features/capacities/1882/1863/1856
https://www.worldatlas.com/articles/how-much-does-gasoline-weigh.html
https://theicct.org/sites/default/files/publications/Transatlantic_Fuel_Efficiency_Ranking_20180912.pdf
https://www.transtats.bts.gov/Distance.asp?pn=0
https://physics.info/energy-chemical/
https://www.energy.gov/eere/fuelcells/hydrogen-storage
https://neutrium.net/properties/specific-energy-and-energy-density-of-fuels/

How Humans Made Malaria So Deadly

Thanks to http://www.givewell.org/ for sponsoring this video! To learn more about the Against Malaria Foundation, visit: http://www.givewell.org/AMF or https://www.againstmalaria.com.

Thanks also to our supporters on https://www.patreon.com/MinuteEarth
___________________________________________

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some keywords to get your googling started:

Malaria – a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes.
Parasite – an organism that benefits by living in/on a host organism and deriving nutrients at the host’s expense.
Host – an organism in/on which another organism lives.
Protozoa – a group of single-celled microscopic animals (not bacteria or viruses) that includes the Plasmodium species.
Plasmodium – a genus of parasitic protozoa, many of which cause malaria in their hosts. Four species regularly infect humans: P. falciparum, P. vivax, P. malariae, & P. ovale.
P. falciparum – the Plasmodium species that kills the most people, by causing malignant malaria, the most dangerous form of malaria.
Anopheles gambiae – a ‘complex’ of at least seven species of mosquitoes that are the main vectors of P. falciparum in sub-Saharan Africa.
Species complex – a group of closely related species that look so similar that the boundaries between them are often unclear.
Hunting and gathering – depending primarily on wild foods for subsistence
Paleontology – the study of fossils and what fossils tell us about the past, about evolution, and about how humans fit into the world.
___________________________________________

Credits (and Twitter handles):
Script Writer: Alex Reich (@alexhreich)
Script Editor: Emily Elert (@eelert)
Video Illustrator: Qingyang Chen
Video Director: Emily Elert (@eelert)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Henry Reich, Ever Salazar, Peter Reich, David Goldenberg
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder

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Like our videos?
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
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If you liked this week’s video, we think you might also like:

Amazing animation of seasonal temperature suitability for malaria https://goo.gl/63pYGt
Americapox CGPGrey video https://www.youtube.com/watch?v=JEYh5WACqEk
The History of Malaria, an Ancient Disease http://www.cdc.gov/malaria/about/history/

___________________________________________

References:

Carter, R., & Mendis, K. N. (2002). Evolutionary and historical aspects of the burden of malaria. Clinical microbiology reviews, 15(4), 564-594. http://cmr.asm.org/content/15/4/564.full

Gething, P. W., et al. (2011). A new world malaria map: Plasmodium falciparum endemicity in 2010. Malaria journal, 10(1), 1. http://malariajournal.biomedcentral.com/articles/10.1186/1475-2875-10-378

Gething, P. W., et al. (2011). Modelling the global constraints of temperature on transmission of Plasmodium falciparum and P. vivax. Parasites & Vectors, 4(1), 1. http://parasitesandvectors.biomedcentral.com/articles/10.1186/1756-3305-4-92

Hay, S. I., et al. (2004). The global distribution and population at risk of malaria: past, present, and future. The Lancet infectious diseases, 4(6), 327-336. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3145123/

Institute for Health Metrics and Evaluation (IHME). (2016). GBD Compare Data Visualization. Seattle, WA: IHME, University of Washington. Retrieved from http://vizhub.healthdata.org/gbd-compare.

Liu, W., et al. (2010). Origin of the human malaria parasite Plasmodium falciparum in gorillas. Nature, 467(7314), 420-425. doi: 10.1038/nature09442

Malaria: Fact sheet (April 2016). Retrieved from http://www.who.int/mediacentre/factsheets/fs094/en/

Packard, R. M. (2007). The making of a tropical disease: a short history of malaria (pp. 1-66 ). Baltimore.

Rich, S. M., et al. (2009). The origin of malignant malaria. Proceedings of the National Academy of Sciences, 106(35), 14902-14907. doi: 10.1073/pnas.0907740106

Shah, S. (2010). The Fever: how malaria has ruled humankind for 500,000 years (pp. 1-33). Macmillan.

Sundararaman, S. A., et al. (2016). Genomes of cryptic chimpanzee Plasmodium species reveal key evolutionary events leading to human malaria. Nature communications, 7. DOI: 10.1038/ncomms11078

Webb, J. L. (2009). Humanity’s burden: a global history of malaria (pp. 1-91). Cambridge: Cambridge University Press.

World Health Organization. (2015). World malaria report 2015. World Health Organization. Retrieved from http://www.who.int/malaria/publications/world-malaria-report-2015/report/en/

The Couch Candy Protocol

Thanks to the ASCEND project for partnering with us on this video!
How do you count things you don’t know about?

LEARN MORE
**************
To learn more about this topic, start your googling with this keyword:
– Species accumulation curve: a graph recording the cumulative number of species recorded as a function of the cumulative effort expended searching for them.

SUPPORT MINUTEEARTH
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If you like what we do, you can help us!:
– Become our patron: https://patreon.com/MinuteEarth
– Share this video with your friends and family
– Leave us a comment (we read them!)

CREDITS
*********
Kate Yoshida | Script Writer, Narrator and Director
Lizah van der Aart | Illustration, Video Editing and Animation
Aldo de Vos | Music

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

OUR STAFF
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Lizah van der Aart • Sarah Berman • Cameron Duke
Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes
Alex Reich • Henry Reich • Peter Reich
Ever Salazar • Leonardo Souza • Kate Yoshida

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REFERENCES
**************
Beech E, Rivers M, Oldfield S, Smith PP (2017) Global Tree Search: The first complete global database of tree species and country distributions. J. Sustain. For. 36, 454–489. https://doi.org/10.1080/10549811.2017.1310049

Cazzolla Gatti, R, et al. (2022) The number of tree species on Earth. Proceedings of the National Academy of Sciences of the United States of America 119 (6): e2115329119. https://doi.org/10.1073/pnas.2115329119

Chao, A. and Chiu, C. H. (2016). Species richness: estimation and
comparison. Wiley StatsRef: Statistics Reference Online. 1-26. http://chao.stat.nthu.edu.tw/wordpress/paper/119.pdf

Chiu CH, Chao A (2016) Estimating and comparing microbial diversity in the presence of sequencing errors. PeerJ 4, e1634. https://doi.org/10.7717/peerj.1634

ter Steege, H., et al. (2013) Hyperdominance in the Amazonian tree flora. Science 342, 1243092 https://doi.org/10.1126/science.1243092

How Different Are Different Types of Dogs?

A big thank-you to our supporters on https://www.patreon.com/MinuteEarth :

– Maarten Bremer
– Jeff Straathof
– Today I Found Out
– Tony Fadell
– Muhammad Shifaz
– Mark Roth
– Melissa Vigil
– Valentin
– Alberto Bortoni
___________________________________________

Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Alex Reich
Video Illustrator: Qingyang Chen
Video Director: Kate Yoshida (@KateYoshida)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Henry Reich, Ever Salazar, Emily Elert, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder

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Like our videos?
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
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And find us on itunes: https://goo.gl/sfwS6n
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If you liked this week’s video, we think you might also like these things:
Some thoroughly unscientific ways to test your dog’s intelligence: http://www.wikihow.com/Test-a-Dog’s-Intelligence

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:
Breed group: A grouping of dog breeds based on their historical jobs.
Dog personality traits: Levels of playfulness, curiosity, sociability, and aggressiveness that dogs exhibit based on testing.
Animal Cognition: The study of the mental capacities of animals.
Confirmation bias: The tendency to interpret evidence in favor of one’s existing beliefs.
___________________________________________

References:

Svartberg, K. (2006). Breed-typical behaviour in dogs—Historical remnants or recent constructs? Applied Animal Behaviour Science 96 (293-313). Retrieved from http://www.appliedanimalbehaviour.com/article/S0168-1591(05)00160-7/abstract

Svartberg, K. (2016). Personal Communication.

Hare, B. & Woods, V. (2013) The Genius of Dogs: How Dogs Are Smarter Than You Think. Retrieved from https://www.amazon.com/Genius-Dogs-Smarter-Than-Think/dp/0142180467/ref=sr_1_1?s=books&ie=UTF8&qid=1475530594&sr=1-1

Helton, W. (2010). Does perceived trainability of dog (Canis lupus familiaris) breeds reflect differences in learning or differences in physical ability? Behavioural Processes 83 (315-323). Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/20117185

Pongracz, P., Miklosi, A., Vida, V., Csanyi, V. (2005) The pet dogs ability for learning from a human demonstrator in a detour task is independent from the breed and age. Applied Animal Behaviour Science 90 (309-323). Retrieved from http://www.appliedanimalbehaviour.com/article/S0168-1591(04)00177-7/abstract

What NASA Found Under Greenland Could Become a Future Problem

NASA scientists scanning Greenland’s ice made an unexpected discovery buried deep below the surface – a forgotten Cold War base known as Camp Century, once part of a secret military project hidden beneath the ice. The abandoned underground city contains tunnels, infrastructure, and waste left behind decades ago, and researchers are now concerned that melting ice could eventually expose material that was never meant to see daylight again. Advanced radar imaging revealed the site in unprecedented detail, giving scientists their clearest view yet of what has been hidden beneath Greenland for generations. This video explores NASA’s shocking discovery, the alarming questions it raises about the future of Greenland’s ice sheet, and why a Cold War secret is suddenly back in the spotlight. Sometimes the most unsettling discoveries are not what we find beneath the ice—but what the ice may no longer be able to keep buried.

Animation is created by Bright Side.
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This video is made for entertainment purposes. We do not make any warranties about the completeness, safety and reliability. Any action you take upon the information in this video is strictly at your own risk, and we will not be liable for any damages or losses. It is the viewer’s responsibility to use judgement, care and precaution if you plan to replicate.

Why Does Earth Have Deserts?

Why Does Earth Have Deserts? For the same reason it has Rainforests: Hadley Cells!!!

CREDITS
*********
Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.
Music by Nathaniel Schroeder https://www.soundcloud.com/drschroeder
Thanks to ScienceAlert for support – https://www.sciencealert.com
Special thanks to Ryan Loomis and TED-Ed for contributions.

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

SUPPORT MINUTEEARTH
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If you like what we do, you can help us!:
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REFERENCES
**************
Persson, A. 2006. Hadley’s principle: Understanding and misunderstanding the trade winds. History of Meteorology 3: 17-42. https://www.meteohistory.org/2006historyofmeteorology3/2persson_hadley.pdf

A Major US Earthquake Hotspot Was Hiding Something Big

Scientists have uncovered previously unknown fault lines hidden beneath one of America’s most active earthquake regions, revealing a far more complex underground landscape than anyone realized. Using advanced imaging techniques, researchers discovered a network of buried faults that could influence how stress builds and moves through the Earth’s crust during future earthquakes. The finding is forcing scientists to reevaluate earthquake hazards in the region and raising new questions about how seismic activity spreads beneath major population centers. This video explores the hidden fault system, how it was discovered, and why experts believe it could reshape our understanding of earthquake risk in the United States. Sometimes the greatest geological threats are the ones nobody knew were there.

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Our BIG Secret…

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The Real Reason Leaves Change Color In the Fall

You’ve probably heard that leaves of deciduous trees change color in autumn because they lose their green chlorophyll molecules, allowing the underlying yellow and orange pigments to shine through. However, this doesn’t explain why the leaves change color in the first place.

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To learn more about this topic, start your googling with these keywords:
– Leaf senescence
– Chlorophyll
– Carotenoid
– Anthocyanin

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Peter Reich | Script Writer
Henry Reich | Script Writer, Narrator and Director
Ever Salazar | Illustration, Video Editing and Animation
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Our staff: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich

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Maple Tree – William Warby
Maple Tree

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REFERENCES
**************
Hoch, W. A., Singsaas, E. L., & McCown, B. H. (2003). Resorption protection. Anthocyanins facilitate nutrient recovery in autumn by shielding leaves from potentially damaging light levels. Plant Physiology, 133(3), 1296-1305.

Feild, T. S., Lee, D. W., & Holbrook, N. M. (2001). Why leaves turn red in autumn. The role of anthocyanins in senescing leaves of red-osier dogwood. Plant physiology, 127(2), 566-574.

The Forces Tearing Africa Apart Are Getting Stronger

Africa is tearing apart along a massive geological rift, and new research suggests parts of this process may be happening much faster than scientists once believed. Deep beneath East Africa, powerful tectonic forces are pulling the continent in opposite directions, creating giant cracks, triggering earthquakes, and laying the foundation for what could eventually become a brand-new ocean. Some regions have experienced dramatic surface changes in surprisingly short periods, giving researchers a rare opportunity to watch a continent reshape itself in real time. This video explores the latest discoveries, the science behind Africa’s growing rift, and what the future may hold for millions of people living above one of Earth’s most active geological boundaries. The birth of a new ocean is one of the rarest events on our planet—and it may already be underway.

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Do Other Diseases Have “Long” Versions?

This video was made in partnership with Bill Gates. COVID isn’t the only virus to cause long-lasting symptoms. Other viruses – including the flu – can have similar enduring effects on our tissues and immune systems.

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To learn more about this topic, start your googling with these keywords:
– Sequelae: Chronic complications of an acute condition.
– RSV: Respiratory Syncytial Virus infects a majority of children before the age of two.
– SARS: Severe Acute Respiratory Syndrome is a coronavirus-caused respiratory disease responsible for an outbreak in 2002-2003.
– Cytokine Storm: A sudden increase in pro-inflammatory cytokines that causes a severe immune reaction.
– Fibrosis: Pathological wound healing that leads to the formation of scar tissue.

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CREDITS
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MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

OUR STAFF
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Website | https://minuteearth.com
Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176

REFERENCES
**************
Sigal, M. (2021) What is causing the ‘long-hauler’ phenomenon after COVID-19? Cleveland Clinic Journal of Medicine. 88 (5): 273-288. Retrieved from: https://www.ccjm.org/content/88/5/273

Wu, P., & Hartert, T. V. (2011). Evidence for a causal relationship between respiratory syncytial virus infection and asthma. Expert review of anti-infective therapy, 9(9), 731–745. Retrieved from: https://doi.org/10.1586/eri.11.92

Gao, B., Xiang, X. (2019) Interleukin-22 from bench to bedside: a promising drug for epithelial repair. Cell Mol Immunol 16, 666–667. Retrieved from: https://doi.org/10.1038/s41423-018-0055-6

Haseltine, W. (2022). New Clues To Long Covid: Prolonged Inflammatory Response. Forbes. Retrieved from: https://www.forbes.com/sites/williamhaseltine/2022/01/25/new-clues-to-long-covid-prolonged-inflammatory-response/?sh=7902b7d8765c

Marshall, M. (2020). The lasting misery of coronavirus long-haulers. Nature. 585, 339-341. Retrieved from: https://www.nature.com/articles/d41586-020-02598-6

Cipolla EM, Huckestein BR, Alcorn JF. (2020) Influenza sequelae: from immune modulation to persistent alveolitis. Clin Sci (Lond). 2020 Jul 17;134(13):1697-1714. Retrieved from: https://pubmed.ncbi.nlm.nih.gov/32648583/

Alcorn, John. (2022) Personal Communication. University of Pittsburgh, Department of Immunology. https://www.immunology.pitt.edu/person/john-f-alcorn-phd

What Nuclear Bombs Taught Us About Whales

A monitoring system developed to listen for secret nuclear tests mostly hears other events happening all around Earth.

Thanks to CTBTO for sponsoring this video: https://www.ctbto.org/

Thanks also to our supporters on https://www.patreon.com/MinuteEarth

Visit our NEW WEBSITE: https://www.minuteearth.com/
___________________________________________

If you want to learn more about this topic, start your googling with these keywords:
Infrasound: sound waves too low in frequency for humans to hear. The CTBTO stations detect frequencies of 0.02 to 4Hz
Hydroacoustic: having to do with underwater sounds. The CTBTO stations detect frequencies of 1-100 Hz
Seismic: oscillation waves in the earth, often caused by earthquakes or other tectonic activity. The CTBTO stations detect frequencies of 0.02-16 Hz
___________________________________________

Credits (and Twitter handles):
Script Writer: Alex Reich
Script Editor: Kate Yoshida (@KateYoshida)
Video Illustrator: Jesse Agar
Video Director: Kate Yoshida (@KateYoshida)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Henry Reich, Ever Salazar, Emily Elert, Peter Reich, David Goldenberg
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder

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If you liked this week’s video, we think you might also like:
Animals can detect infrasound: http://www.slate.com/articles/news_and_politics/explainer/2004/12/surviving_the_tsunami.html

A Time-Lapse Map of Every Nuclear Explosion Since 1945: https://www.youtube.com/watch?v=LLCF7vPanrY

Sound travels 1000s of miles in the ocean’s SOFAR channel: https://en.wikipedia.org/wiki/SOFAR_channel

___________________________________________

Sounds in the video that were recorded by CTBTO stations:

0:32 Kasatoshi volcano eruption in August 2008, detected 2100km away at infrasound station on mainland Alaska. Sped up 500x https://en.wikipedia.org/wiki/Kasatochi_Island

0:35 Explosion of Antares rocket in October 2014, detected 1100km away at Bermuda infrasound station. Sped up 150x https://en.wikipedia.org/wiki/Cygnus_CRS_Orb-3 and video: https://en.wikipedia.org/wiki/File:Antares_Fails_to_Reach_Orbit_with_Cygnus_CRS-3_after_Rocket_Explodes.webm

0:37 Ship engine detected June 1 2017 by hydroacoustic station. Sped up 16x

0:40 Waves hitting an iceberg and causing it to vibrate like a cymbal in July 2010. Detected by hydroacoustic station off of Western Australia. Sped up 16x

1:01 Whale call Feb 18 2017, detected by hydroacoustic station. Sped up 16x

1:08 Chelyabinsk meteor airburst February 15 2013, detected by infrasound station 650km away in Kazakhstan. Sped up 135x

1:39 Earthquake Jan 2 2017, detected by infrasound station. Sped up 16x

2:00 Sound with unknown cause, detected by hydroacoustic station. March 25 2017. Sped up 16x

References

Brown, P. G., et al. 2013. A 500-kiloton airburst over Chelyabinsk and an enhanced hazard from small impactors. Nature, 503(7475), 238-241. http://dx.doi.org/10.1038/nature12741

Gavrilov, A. May 2017, Personal communication

Graham, G. May 2017, Personal communication

Harabalus, G. May 2017, personal communication

LeBras, R. May 2017, personal communication

Mialle P., May 2017, personal communication

Miksis-Old, J. May 2017, personal communication

Nielsen, P., May 2017, personal communication

Le Pichon, A., et al. 2013. The 2013 Russian fireball largest ever detected by CTBTO infrasound sensors. Geophysical Research Letters, 40(14), 3732-3737. http://onlinelibrary.wiley.com/doi/10.1002/grl.50619/full

Both Its Heads Are Fighting for Control – Who Will Win?

In a lab in Pennsylvania, something impossible hatched from an egg. A crested gecko with two fully formed heads – each with its own eyes, mouth, and brain. Two minds, sharing one tiny body. They blink in different directions. They sometimes disagree on where to go. And against all odds, they’re both eating and thriving. But how does something like this happen? And how do two brains learn to cooperate when they’re trapped in the same body? This is the strange and fascinating story of a creature that shouldn’t exist but does.
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Stonehenge DNA Just Revealed Something Shocking

For centuries, Stonehenge has been one of the greatest mysteries in human history. How did ancient builders move 25-ton rocks across hundreds of kilometers? Where did they come from? And why did they choose this exact spot? Now, after years of research, scientists have finally traced the origin of the Sarsen stones, and the answer is not what anyone expected. But that’s just the beginning. Stonehenge might be part of something much bigger.
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Stonehenge DNA Just Revealed Something Shocking

For centuries, Stonehenge has been one of the greatest mysteries in human history. How did ancient builders move 25-ton rocks across hundreds of kilometers? Where did they come from? And why did they choose this exact spot? Now, after years of research, scientists have finally traced the origin of the Sarsen stones, and the answer is not what anyone expected. But that’s just the beginning. Stonehenge might be part of something much bigger.
Animation is created by Bright Side.
—————————————————————————————-
Music from TheSoul Sound: https://thesoul-sound.com/

Check our Bright Side podcast on Spotify and leave a positive review! https://open.spotify.com/show/0hUkPxD34jRLrMrJux4VxV
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Iceland Is Being Pulled in Two Directions – Literally

Iceland is literally being torn in half, and nobody tells you about it. While tourists admire its stunning landscapes, the ground beneath is actively splitting apart. Two tectonic plates are pulling away from each other at about 2 centimeters per year, and the consequences are devastating. In 2023, the town of Grindavik was evacuated overnight as the ground cracked open beneath people’s homes. Thousands became geological refugees.
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The Weird Sex Lives of Bluegills

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When it comes to the mating game, fish have some of the strangest ways of thwarting the competition.

LEARN MORE
**************
To learn more about this topic, start your googling with these keywords:
– Alternative mating strategy: a strategy used by male or female animals, often with distinct phenotypes, that differs from the prevailing mating strategy.
– Dependent selection: an evolutionary process by which the fitness of a phenotype or genotype depends on the phenotype or genotype composition of a given population.

SUPPORT MINUTEEARTH
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If you like what we do, you can help us!:
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CREDITS
*********
Cameron Duke | Script Writer, Narrator and Director
Arcadi Garcia i Ruis | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

OUR STAFF
************
Lizah van der Aart • Sarah Berman • Cameron Duke
Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes
Alex Reich • Henry Reich • Peter Reich
Ever Salazar • Leonardo Souza • Kate Yoshida

OUR LINKS
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Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176

REFERENCES
**************
Dominey, Wallace J. “Female Mimicry in Male Bluegill Sunfish—a Genetic Polymorphism?” Nature, vol. 284, no. 5756, Apr. 1980, pp. 546–548, https://doi.org/10.1038/284546a0

“Evolution of Alternative Reproductive Strategies: Frequency-Dependent Sexual Selection in Male Bluegill Sunfish | Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences.” Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 2022, royalsocietypublishing.org/doi/10.1098/rstb.1991.0033

Gross, Mart R. “Alternative Reproductive Strategies and Tactics: Diversity within Sexes.” Trends in Ecology & Evolution, vol. 11, no. 2, Feb. 1996, pp. 92–98, https://doi.org/10.1016/0169-5347(96)81050-0

Gross, Mart R. “Sneakers, Satellites and Parentals: Polymorphic Mating Strategies in North American Sunfishes.” Zeitschrift Für Tierpsychologie, vol. 60, no. 1, 12 Jan. 1982, pp. 1–26, https://doi.org/10.1111/j.1439-0310.1982.tb01073.x

Jukema, Joop, and Theunis Piersma. “Permanent Female Mimics in a Lekking Shorebird.” Biology Letters, vol. 2, no. 2, 10 Jan. 2006, pp. 161–164, https://doi.org/10.1098/rsbl.2005.0416

Neff, B. D. “Genetic Paternity Analysis and Breeding Success in Bluegill Sunfish (Lepomis Macrochirus).” Journal of Heredity, vol. 92, no. 2, 1 Mar. 2001, pp. 111–119, https://doi.org/10.1093/jhered/92.2.111

Neff, B. D. “Sperm Investment and Alternative Mating Tactics in Bluegill Sunfish (Lepomis Macrochirus).” Behavioral Ecology, vol. 14, no. 5, 1 Sept. 2003, pp. 634–641, https://doi.org/10.1093/beheco/arg032

Neff, Bryan D., and Erik I. Svensson. “Polyandry and Alternative Mating Tactics.” Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 368, no. 1613, 5 Mar. 2013, p. 20120045, https://doi.org/10.1098/rstb.2012.0045

Neff, Bryan. Personal Communication

MinuteEarth: The Story of Our Planet

Our first video ever! Agriculture, hula hoops, SARS, and THIS video: how long did they take to get around the earth?

CREDITS
*********
Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.
Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder
Thanks to ScienceAlert for support – http://www.sciencealert.com

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

SUPPORT MINUTEEARTH
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If you like what we do, you can help us!:
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Why Are There No Skeletons on the Titanic?

More than a century after the Titanic disappeared beneath the Atlantic, one mystery still captures the imagination: why have no human skeletons been found around the wreck? Thousands of images have revealed shoes, clothing, and personal belongings scattered across the seafloor, yet the victims themselves appear to have vanished. In this video, we explore what happens to human remains at extreme ocean depths, how deep-sea scavengers and chemistry can destroy bones, and why the Titanic’s location may have played a crucial role. But there’s also a haunting possibility – could some remains still be hidden inside the ship, in areas sealed off from the surrounding ocean?
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A Major Warning Just Came From California’s Fault Lines

A major warning has emerged from California’s fault lines as scientists track new seismic activity across one of the most earthquake-prone regions in the United States. Researchers are studying stress building deep underground, analyzing whether recent movements could provide clues about future earthquake risks along the state’s massive fault systems. While no one can predict exactly when a large quake will strike, experts say understanding these warning signs is critical for millions of people living near active faults. This video explores the latest discoveries, what scientists are monitoring, and how California’s geology continues to shape the threat of powerful earthquakes. The forces building beneath the state have been at work for millions of years—and they haven’t stopped.

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What Archaeologists Found Near the Sphinx Changes Everything

What archaeologists recently uncovered near the Great Sphinx is reigniting one of Egypt’s oldest mysteries and forcing experts to take a closer look at what may still be hidden beneath the Giza Plateau. New findings, advanced scanning technologies, and previously overlooked evidence are revealing clues that could reshape our understanding of how this ancient complex was built and what secrets it may still contain. Some researchers believe the discoveries point to structures, chambers, or features that have remained concealed for thousands of years. This video explores the latest evidence, the competing theories, and why the search around the Sphinx is attracting worldwide attention once again. The deeper scientists investigate this iconic monument, the more questions emerge about Egypt’s forgotten past.

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London Bridge Was Sold to the US!?

London Bridge has already been rebuilt twice! But what happened to the bridges that came down?

Also, explore a map of the big bang! http://www.bigbangregistry.com

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Music by Nathaniel Schroeder

Thanks to Nima Doroud for contributions and to Perimeter Institute for support.
http://www.perimeterinstitute.ca Created by Henry Reich

Yellowstone Just Started Rising – Is This the Beginning?

The ground above Yellowstone started rising in 2025. Then earthquakes began hitting the same area, directly over one of the most closely watched volcanic systems on Earth. It sounds like the beginning of something catastrophic. But scientists say the reality is much more complicated. Yellowstone’s ground is constantly moving, and earthquakes are part of its normal behavior. So what caused this particular patch to rise, and what do the earthquakes mean?
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Our Entire Galaxy Flipped on Its Side – And We Didn’t Even Notice

Discover the mind-bending evidence revealing how the Milky Way galaxy completely flipped on its side billions of years ago without destroying our solar system. Astronomers recently uncovered strange orbital patterns in ancient star clusters that prove a massive galactic collision knocked our entire galaxy off its original axis. You will see exactly how this violent cosmic crash warped the Milky Way’s disk into a bizarre, twisted shape that still wobbles through space today. Learn why this catastrophic event actually triggered a massive boom in star formation, creating the very neighborhood where Earth eventually formed. Click the video right now to uncover the hidden history of our flipped galaxy and see the stunning simulations of this epic cosmic impact.

Credit:
Structure of Milky Way’s Halo: By NASA, ESA, and A. Feild (STScI), https://science.nasa.gov/asset/hubble/structure-of-milky-ways-halo-artists-illustration/
Halo Around the Andromeda Galaxy Illustration: By NASA, ESA, and E. Wheatley (STScI), https://science.nasa.gov/asset/hubble/halo-around-the-andromeda-galaxy-illustration/
Milky Way & Andromeda Collision: By Frank Summers (STScI), Gurtina Besla (Columbia University), and Roeland van der Marel (STScI), https://svs.gsfc.nasa.gov/30955
NGC 2808 HST: By By NASA, ESA, A. Sarajedini (University of Florida) and G. Piotto (University of Padua (Padova)) – http://hubblesite.org/newscenter/archive/releases/2007/2007/18/image/a/, https://commons.wikimedia.org/w/index.php?curid=2371715
Animation of the Stellar Orbits Around the Galactic Center: By Keck Observatory, UCLA Galactic Center Group, https://science.nasa.gov/asset/webb/animation-of-the-stellar-orbits-around-the-galactic-center/
CC BY 4.0 https://creativecommons.org/licenses/by/4.0:
SDSS telescope new: By Sloan Digital Sky Survey – https://www.sdss.org/wp-content/uploads/2014/11/SDSS_telescope_new.jpg, https://lb.wikipedia.org/wiki/Fichier:SDSS_telescope_new.jpg
CC BY-SA 3.0 IGO https://creativecommons.org/licenses/by-sa/3.0/igo/:
Gaia observes the Milky Way ESA24305955: By Spacecraft: ESA/ATG medialab; Milky Way: ESA/Gaia/DPAC. Acknowledgement: A. Moitinho. – https://www.esa.int/ESA_Multimedia/Images/2022/06/Gaia_observes_the_Milky_Way, https://commons.wikimedia.org/w/index.php?curid=119243221
Simulated Gaia-Enceladus debris: By ESA (artist’s impression and composition); Koppelman, Villalobos and Helmi (simulation) – http://www.esa.int/Science_Exploration/Space_Science/Gaia/Galactic_ghosts_Gaia_uncovers_major_event_in_the_formation_of_the_Milky_Way, https://commons.wikimedia.org/w/index.php?curid=104875077
A major event in the formation of the Milky Way: By ESA (artist’s impression and composition); Koppelman, Villalobos and Helmi (simulation); NASA/ESA/Hubble (galaxy image), https://www.esa.int/ESA_Multimedia/Images/2018/10/A_major_event_in_the_formation_of_the_Milky_Way?utm_source=chatgpt.com%D1%91
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First Earth-Like Planet With an Atmosphere Just Found

Scientists have discovered what may be the first truly Earth-like planet with a confirmed atmosphere, bringing us closer than ever to finding a world that could support life. Using powerful space telescopes, researchers detected gases surrounding the planet, revealing clues about its climate, chemistry, and potential habitability. This breakthrough could transform the search for alien life because an atmosphere is one of the key ingredients that makes a planet more like Earth. This video explores how scientists found it, what they detected in the atmosphere, and why the discovery is generating excitement across the scientific community. For the first time, humanity may be looking at a distant world that feels surprisingly familiar.
Credit:
Solar Wind Animations: By NASA’s Scientific Visualization Studio – NASA Goddard/CIL/Wes Buchanan, Krystofer Kim – https://svs.gsfc.nasa.gov/14892, https://commons.wikimedia.org/wiki/File:Solar_Wind_Animations_(SVS14892_Endurance_SEQ3B_4K).webm
Moon transit of sun large: By NASA – https://science.nasa.gov/science-news/science-at-nasa/2007/12mar_stereoeclipse/, https://commons.wikimedia.org/wiki/File:Moon_transit_of_sun_large.ogv
CC BY 4.0 https://creativecommons.org/licenses/by/4.0:
structure of the Ag-Au nanocluster: By Haberfehlner G, Thaler P, Knez D, Volk A, Hofer F, Ernst W, Kothleitner G – https://doi.org/10.1038/ncomms9779, https://commons.wikimedia.org/wiki/File:Formation-of-bimetallic-clusters-in-superfluid-helium-nanodroplets-analysed-by-atomic-resolution-ncomms9779-s2.ogv
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Why Are Leaves Green? Part 2

Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It’s how leaves work.

CREDITS
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Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.
Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder
Thanks to ScienceAlert for support – http://www.sciencealert.com

MinuteEarth is produced by Neptune Studios LLC
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REFERENCES
**************
Papers referred to in the making of this video:
Blankenship, Robert E. 2010. Early evolution of photosynthesis. Plant physiology 154(2): 434-438. http://www.plantphysiology.org/content/154/2/434.full.pdf+html

Hohmann-Marriott, M. F., & Blankenship, R. E. 2011. Evolution of photosynthesis. Annual review of plant biology 62: 515-548. http://www.annualreviews.org/doi/abs/10.1146/annurev-arplant-042110-103811

Raven, J. A. 2009. Functional evolution of photochemical energy transformations in oxygen-producing organisms. Functional Plant Biology 36(6): 505-515. http://www.publish.csiro.au/?act=view_file&file_id=FP09087.pdf