How Do Submarines Work?

Jessi and Squeaks got a question about how submarines go underwater and explore, so Squeaks did some research!

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SOURCES:

https://science.howstuffworks.com/transport/engines-equipment/submarine1.htm
https://www.militaryfactory.com/ships/how-submarines-work.asp

Solve Problems: Be an Engineer!

Learn about engineers, who dream up a lot of the things you use every day, from toys to tools!
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SOURCES:
http://education.nationalgeographic.com/media/nasa-kids-intro-engineering/

http://www.kidzsearch.com/wiki/Engineering

http://www.sciencekids.co.nz/sciencefacts/engineering/typesofengineeringjobs.html

http://pbskids.org/designsquad/parentseducators/workshop/engineering.html

http://www.beanengineer.com

Why Don’t We Use Mothballs Anymore?

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If you’ve snooped around your grandma’s attic or wound through the shelves at a vintage bookstore, then you might be familiar with the smell of mothballs. We just don’t really see—or smell—them much anymore. For more reasons than you might think.

Hosted by: Savannah Geary (they/them)
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These Rocks Are Older Than the Sun

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While normally we bring you stories of rocks and minerals that form on our planet, we decided to get a bit celestial with it, because this month’s Rocks Box is all about meteorites! Here are four of our faves, and what they tell us about the rest of the universe.

Hosted by: Hank Green (he/him)
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Sources:
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Where Does Yogurt Come From?

When we think of Yogurt, we think of a tangy and sweet treat that’s good at any time! But there’s a tiny little ingredient in there that helps to make it what it is!

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SOURCES:

https://www.bbcgoodfood.com/glossary/yogurt
https://www.britannica.com/technology/pasteurization
https://www.chicagotribune.com/lifestyles/health/ct-food-0428-fermented-foodsl-20100428-story.html
http://www.msi.harvard.edu/events/science_of_bread.pdf
https://www.nature.com/scitable/topicpage/yeast-fermentation-and-the-making-of-beer-14372813
https://www.npr.org/sections/thesalt/2015/07/15/391927036/hey-yogurt-maker-whered-you-get-those-microbes
https://www.npr.org/sections/thesalt/2018/09/19/649689591/yogurt-may-not-be-so-healthy-if-its-pumped-full-of-sugar
https://recipes.howstuffworks.com/how-to-make-yogurt.htm
https://science.howstuffworks.com/innovation/edible-innovations/yogurt2.htm
https://www.scientificamerican.com/article/bring-science-home-yogurt-bacteria/
http://time.com/3380563/sugar-tooth-decay/
https://www.webmd.com/food-recipes/features/benefits-yogurt#1

4 Things We Can Learn From Explosions

Scientists just built a huge explosions lab in Texas. Studying explosions can help us explore the future of high-speed travel, the deaths of stars, and cures for diseases – yes, really! Here are 4 good reasons to study explosions.

Hosted by: Savannah Geary (they/them)
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What’s Ruining Our Ruins?

Join us at Something Worth Knowing, a Complexly benefit and live show at the Wilshire Ebell Theater in the center of Los Angeles on September 16, 2026. To get your ticket go to https://complexly.info/SWK26-23

From the Maijishan Grottoes to the frescoes of St. Paul in Ephesus to Chaco Canyon to Megiddo to Angkor Wat, our UNESCO World Heritage Sites are being destroyed by one thing: microbes. But we can still preserve our heritage.

Hosted by: Savannah Geary (they/them)
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What’s Really Living in the Subway

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There’s all sorts of microorganisms on the subway, metro, underground, or whatever you call it. But how many of them are pathogenic?

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Why Does Spicy Food Taste Hot?

You might know that spicy food can make your mouth feel like it’s on fire, but how does it do that?

Hi there! We at SciShow want to learn more about you and your opinions! If you have time, please take a moment to fill out this survey: https://www.surveymonkey.com/r/SciShowSurvey2017
Thank you!
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SOURCES:

https://www.mnn.com/lifestyle/arts-culture/stories/what-loving-or-hating-spicy-food-says-about-you
http://www.bbc.com/future/story/20150120-hidden-ways-your-tongue-tastes
http://kidshealth.org/en/kids/taste-buds.html
http://www.npr.org/sections/thesalt/2015/02/03/383364416/love-hot-sauce-your-personality-may-be-a-good-predictor

What Causes People to Have Different Spicy Food Tolerances?

Explore Saturn’s Rings | Astronomy for Kids

There’s a lot more to Saturn’s rings than just looking awesome! Find out why!

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SOURCES:
http://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/ring-a-round-the-saturn.html
http://www.kidsastronomy.com/saturn.htm
https://www.esa.int/esaKIDSen/SEM9N6WJD1E_OurUniverse_0.html
http://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-orbit-58.html
http://www.qrg.northwestern.edu/projects/vss/docs/space-environment/1-what-travels-in-an-orbit.html
http://coolcosmos.ipac.caltech.edu/ask/107-How-did-Saturn-get-its-rings-
http://www.universetoday.com/97614/planets-in-our-solar-system-may-have-formed-in-fits-and-starts/
http://solarsystem.nasa.gov/planets/saturn/rings

IMAGES:
https://commons.wikimedia.org/wiki/File%3ASaturn_(planet)_large.jpg
https://commons.wikimedia.org/wiki/File%3ASaturn_family.jpg

http://cdn.arstechnica.net/wp-content/uploads/2016/03/main_flash_image.jpg
https://commons.wikimedia.org/wiki/File%3A2012-07-24_22-31-29-conj.jpg

LSD May Lead to a New Kind of Medicine

Studies have shown that psychedelics have huge potential for treating a variety of mental illnesses. There’s just one problem: the side effects aren’t exactly subtle. So University of North Carolina researcher Bryan Roth has developed new molecules that could have the same effect without the trip.

Hosted by: Madelyn Leembruggen (she/her)
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