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.
Host Hank Green explains why alcohol can burn when you drink it on the latest episode of SciShow.
Host Hank Green explains why we have leap years on the latest episode of SciShow.
Hank Green provides an explanation why pepper makes you sneeze on the latest episode of SciShow.
On the latest episode of SciShow, host Hank Green explores the ways that certain smells can trigger memories.