wnycradiolab:

Scenes from "The Animated Life of A.R. Wallace."

A cool and pretty little video about Alfred Russel Wallace, who co-discovered natural selection along with Charles Darwin.

What Happens If You Go Without Water?

Ever wondered what happens to your body if you don’t get enough water? Our bodies are mostly water by weight, so in today’s episode of SciShow Hank explains what happens to your body as it starts to shut down when you go without that tasty H2O.

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Sources:
http://www.scientificamerican.com/article.cfm?id=football-water-weight-loss
http://www.mayoclinic.com/health/dehydration/DS00561/DSECTION=symptoms
http://www.hydration.net.au/page/shop/info_page/a/infopage_id/e/46
http://www.dummies.com/how-to/content/why-your-body-needs-water.html
http://www.menshealth.co.uk/food-nutrition/drink-recipes/fight-the-six-stages-of-dehydration-347578
http://www.bodybio.com/content.aspx?page=elyte-electrolyte-101
http://www.forbes.com/fdc/welcome_mjx.shtml
http://www.nlm.nih.gov/medlineplus/ency/article/003281.htm
http://health.howstuffworks.com/wellness/diet-fitness/information/question565.htm
http://www.popsci.com/science/article/2011-03/fyi-it-ever-ok-drink-your-own-urine

What Is Wind?

We all know that warm air rises, but how does this scientific fact influence our weather and create those flows of air molecules that we know of as wind? In this episode of SciShow, Hank explains where wind comes from, what factors influence it, and how fast it can go!


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Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow

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Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
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Sources:
http://www.universetoday.com/82329/what-causes-wind/
http://atmo.tamu.edu/weather-and-climate/weather-whys/683-what-causes-wind
http://www.metoffice.gov.uk/learning/wind/what-causes-wind
http://www.iowaenergycenter.org/wind-energy-manual/wind-and-wind-power/what-causes-wind/
http://www.srh.noaa.gov/jetstream//synoptic/wind.htm
http://science.nationalgeographic.com/science/earth/earths-atmosphere/wind/
http://www.atmos.illinois.edu/earths_atmosphere/wind_formation.html
http://www.scientificamerican.com/article.cfm?id=where-does-wind-come-from

5 AMAZING FACTS ABOUT BABIES

You know what’s weird? Babies. They cry but don’t produce tears; they can crawl before they can … crawl. And they have MORE BONES THAN YOU! Learn more about these and other odd truths about newborn miniature humans.


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Human Experimentation: The Good, The Bad, & The Ugly

In the early days of the space race, agency researchers in Russia and at NASA really weren’t sure all what would happen to an astronaut in space. They didn’t know if a human mind could handle actually seeing Earth or what would happen to the human body when exposed to long periods of weightlessness. Would their blood forget which way to pump? Would their eyeballs shift or their inner ears wig out? They sent up mice and monkeys and dogs, to see what happened, and in 1961, the Russians strapped a man to a rocket headed for orbit. Yuri Gagarin was the first person in space. The ultimate human guinea pig, he survived, becoming an international hero.


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Why Body Hair?

In today’s episode Hank talks about hair: What’s it good for, what’s it made of, and why do we have less than other mammals?

Why Do We Laugh?

You know what’s funny? Why people laugh. Hank talks about the science of laughter: what makes us laugh, what purpose it serves, and even what it can tell us about our mental and physical health. Hilarious!

edwardspoonhands:

the1janitor:

ICP caught flack for asking how magnets work

but how many of you actually know how magnets work

As someone who has done a very large amount of research on how magnets work in the hopes of making a video on this topic, I can confirm…magnets are very difficult to understand. 

And if you’re gonna tell me you can explain how magnets work, I do not accept any answer that does not include quantum field theory.

It’s so complicated we were barely able to cover the topic in two whole episodes of SciShow. You can check them out here and here

SciShow Needs YOU!

Since January 2012, SciShow has been uploading hard science and good times to viewers just like you all over the world. Now, after nearly two years — and a million subscribers(!) — we think it’s time to take our relationship to a whole new level. We need your support to keep SciShow going, and you need Hank and the team to keep bringing the science — so meet Subbable, a new and totally voluntary subscription platform: Sign up to give however you’d like per month, and get some awesome perks, like autographed trilobites and embroidered lab coats, have a real-live fish named after you in our ThanksTank, or even get a shout-out in one of our videos! Whatever you decide to do, thank you for supporting us!

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The How, Why, & How Much of Oil

Everyone does it — using oil, that is. But how much do we have left? How do scientists find it? And where are they looking for it now that the easiest pickings have been taken? Hank has the answers to the how, why and how much of oil.