Hank Green of SciShow explains the stages of dehydration in the video, “What Happens If You Go Without Water?” It’s a follow up to the SciShow video, “What Happens when you Stop Eating?”
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Actor LeVar Burton explains how double rainbows form in a recent installment of SciShow. Regular SciShow host Hank Green previously explained how regular rainbows form.
Michael Aranda of SciShow explains the biological process that occurs when joints are popped and cracked. SciShow explains what really causes those popping sounds your joints make — fluid dynamics, people! — and what you should watch out for if you’re a habitual knuckle-popper.
SciShow host Hank Green provides a quick explanation of what causes sunburns.
Hank Green of SciShow explains the science of the human body’s “gaseous emissions” in “Why Do We Burp and Fart (So Much)?!”
Hank Green of SciShow explains the science of chocolate, from its active ingredient to the difference between chocolate, cocoa, cacao and coca.
Hank Green of SciShow explains several special adaptations that enhance avian eyesight in “How Birds Really See the World.”
SciShow host Hank Green explores and explains Canada’s Bay of Fundy, a body of water with the largest tidal range in the world.