SciShow
Your Brain and Stress | Compilation
Stress and anxiety are complex, and the brain chemistry involved in those experiences are no exception. Here we explore the chemicals responsible for your brain’s response to stress.
SciShow
Do You Need a Brain to Sleep?
You might think you need a brain to be able to sleep, but organisms with super simple neural networks can still "sleep" sort of like we do. So, if these organisms can sleep too, then what is sleep anyway?
SciShow
When Insomnia Becomes Deadly
For most people, insomnia won't kill you. But in one very rare, very specific case, not only is it deadly, it's lurking in your genes.
SciShow
Can You Become a Morning Person?
If you know someone who can’t start their morning without 3 cups of coffee, don’t assume they frequently stay out late partying—it’s probably genetics.
SciShow
When Waking up After Decades Turned out to Be Temporary
Around 1917, an unknown illness dubbed "sleeping sickness" caused people to suffer severe sleepiness and delirium. Some even became paralyzed for decades until a temporary cure was discovered in the 1960s. The story of this illness is...
SciShow
Optogenetics: Using Light to Control Your Brain
Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.
SciShow
3 Big Things We Learned About the Brain in 2019
We’ve learned a lot about how the human brain works, but there are still new discoveries and mysteries each year, and 2019 was no exception. We learned pretty big things, from internal compasses, to mysterious sniffers, to brain-washing...
SciShow
Sleep: Why We Need It and What Happens Without It
What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!
TED-Ed
TED-Ed: Why do some people snore so loudly? | Alayna Vaughan
A leather mask that clamps the mouth shut. A cannonball sewn into a soldier's uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might...
TED-Ed
TED-ED: How does your body know what time it is? - Marco A. Sotomayor
Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball that's hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But...
TED Talks
TED: How students of color confront impostor syndrome | Dena Simmons
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. As a black woman from a tough part of the Bronx who grew up to attain all the markers of academic prestige, Dena...
SciShow
Why Is Everyone Having Vivid Dreams Right Now?
Vivid dreams have gotten pretty common during the Covid-19 pandemic and there’s a good psychological reason for that.
PBS
9 NASA Technologies Shaping YOUR Future
NASA is really good at going to space, amongst other things, but did you know that part of their mission is to work also for the public good!? It's part of NASA's doctrine that they must release the patents on the stuff they work on,...
SciShow Kids
Why Do We Dream?
Jessi had the weirdest dream last night and wants to share with you why our brains make dreams.
SciShow
The Magic of Being 'In the Zone'
When you feel like you can get so much done, and nobody can stop you, you might be experiencing what psychologists call "flow." But what’s actually happening to your brain when you're in that state?
SciShow
Is Your Brain Ready for Mars?
Thanks to science and technology, our dream to go to Mars has almost come true! But are our brains ready for it yet?
TED-Ed
TED-ED: What's the difference between hibernation and sleep? - Sheena Faherty
The Arctic Ground Squirrel hibernates by burrowing under the permafrost and slipping into a state of suspended animation. The female black bear can give birth while she hibernates. The fat-tailed dwarf lemur prepares to hibernate by...
SciShow
Do Fish Dream?
It’s easy to look at a sleeping dog’s leg twitching and imagine that it’s having a wonderful rabbit-chasing dream. But can animals with brains that are very different from ours have dreams?
TED-Ed
Can you be awake and asleep at the same time? | Masako Tamaki
Many animals need sleep. But all of the threats and demands animals face don't just go away when it's time to doze. That's why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the...
SciShow
6 Supplements That Might Actually Help You
More than half of Americans take a dietary supplement, but the truth is, most people don't need them. There are, however, a handful of supplements that can be helpful in some situations! Chapters BEET JUICE 2:58 ANTIOXIDANT MULTIVITAMINS...
SciShow
Communication While Dreaming
It’s hard to study dreams because it’s not like you can communicate back and forth with someone while they’re asleep...at least you couldn’t, until now!
SciShow
Why Do We Get the Spins When We’re Drunk?
If you're old enough to drink, you may have had a few too many cocktails and suddenly everything is spinning. Strange as it might seem, that’s not because the alcohol you drank is messing with your brain! So what causes the spins?
SciShow
The Science of Dreaming
Dreaming is one of the weirdest things we do & in this SciShow infusion Hank talks about how science is helping us understand why we dream, what our brains are up to when they're doing it, and why dreaming may be critically important to...
SciShow
What Are Fever Dreams?
You might have experienced those bizarre and emotionally intense dreams when you have a fever, but what are those?