The jellyfish is one weird sea animal. What makes it even weirder is that it doesn’t have a brain or a heart. Though it doesn’t have a brain, it does have a nervous system in the form of nerve nets and some have a structure called a...

The jellyfish is one weird sea animal. What makes it even weirder is that it doesn’t have a brain or a heart. Though it doesn’t have a brain, it does have a nervous system in the form of nerve nets and some have a structure called a...

Did you ever have a delicious looking apple in your hands and bite in only to find it all grainy and sad? It's not the fruit's fault, and there might be something you can do about it! Hosted by: Stefan Chin SciShow has a spinoff podcast!...

What do gray wolves, elephants, and parrotfish have in common? They're all keystone species, which means they have an especially large impact on their habitat. SciShow explores how these animals keep their ecosystems running. Hosted by:...

The game is at a turning point. Should the rules be changed? Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos The NBA introduced the 3-point line in...

We’ve all seen those animals, “Oh my gosh! It’s so cute! I just want to cuddle with it!” Well stop it right now! Remember, that little cutie is a wild animal, so no cuddling. Also, you'll want to make sure it's not one of these ten...

Michael Aranda explains five of the worst computer viruses that have hit the net! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon='https://www.patreon.com/scishow' target='_blank'...

A group of British and Australian cyberpsychologists argues that emojis deserve way more research attention than they’re getting - and scientists have discovered how to create on-demand killer mice! Hosted by: Hank Green ----------...

Thanks to 23AndMe for supporting SciShow. These kits make great gifts, so check outhref='https://23AndMe.com/SciShow' target='_blank' rel='nofollow'>out How much genetic diversity would we need to found a colony on another planet?...

It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...

You’ve probably seen cows enjoying a nice mouthful of grass, but why can't we do the same? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon='https://www.patreon.com/scishow' target='_blank'...

You might consider yourself a visual learner, but is there really a way to categorize different types of students? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon='https://www.patreon.com/scishow'...

Silly String. It’s awesome for pranks or party shenanigans, but this foam could also save your life someday. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon='https://www.patreon.com/scishow'...

Whether they’re dancing, hunting, or being a pain in the nose, these new arachnid species will knock all 8 of your socks off. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on