SciShow
Why Do We Sigh?
A sigh is often taken to be a sign of sadness, but it can indicate a lot more than that,or a lot less.
Crash Course
Parasympathetic Nervous System: Crash Course A&P
This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got...
SciShow
Why Do Cats Love Boxes?
Why do cats love to hang out in boxes so much? It has something to do with being stone cold predators. And, a little anxiety.
SciShow
How Losing Your Job Changes You
Unexpectedly losing a job is hard, but it can also change you in the long term, setting off a cycle that may be hard to break out of, and leaving lasting effects on the way you see and interact with the world.
SciShow
These Migrating Birds Fuel Up by Eating…Mud?
A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?
SciShow
Why the Pandemic Has Us Buying Roller Skates and Baking Bread
A lot of people have been pretty cooped up lately and it’s starting to bring out some strange desires in people. What context can psychology offer to help us understand what might be going on?
SciShow
Cougar Stress: SciShow Talk Show
Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!
SciShow
What Happens If You Stop Pooping?
Constipation is no fun. Luckily, it can usually be remedied with a handful of prunes, a few cups of coffee, and some patience. However, if you don't poop for a long, long time, constipation can develop into some serious health problems.
Crash Course
How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40
This week we’re going underground to explore geotechnical and seismic engineering. We’ll look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing...
TED Talks
TED: How barbershops can keep men healthy | Joseph Ravenell
The barbershop can be a safe haven for black men, a place for honest conversation and trust -- and, as physician Joseph Ravenell suggests, a good place to bring up tough topics about health. He's turning the barbershop into a place to...
SciShow
Could a Shirt Hear Your Heartbeat? | SciShow News
Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...
TED-Ed
TED-Ed: How stress affects your body - Sharon Horesh Bergquist
Our hard-wired stress response is designed to give us the quick burst of heightened alertness and energy needed to perform our best. But stress isn't all good. When activated too long or too often, stress can damage virtually every part...
TED-Ed
TED-ED: Why do cats act so weird? - Tony Buffington
They're cute, they're lovable, and judging by the 26 billion views on over 2 million YouTube videos of them, one thing is certain: cats are very entertaining. But their strange feline behaviors, both amusing and baffling, leave many of...
SciShow
Fighting the Loneliness of Space Travel
Long months or years spent in space can be isolating, making astronauts susceptible to boredom and depression. Here's a look at some long-term studies we've done here on Earth to figure out what isolation does to people, and how to make...
SciShow
Fighter Pilots Seem to Have More Daughters — Why?
Some people think that being a fighter pilot and a parent means that you will have a household full of daughters - but does the data back that up?
TED-Ed
TED-Ed: Why you procrastinate even when it feels bad | TED-Ed
The report you've been putting off is due tomorrow. It's time to buckle down, open your computer ... and check your phone. Maybe watch your favorite YouTube channel? Or maybe you should just start in the morning? This is the cycle of...
SciShow
How Self Care Can Save the Environment
If you're feeling anxious about climate change, you're not alone, but taking steps to help the world might also help you.
SciShow
When you're almost asleep and then jerk back awake #shorts #science #sleep #biology
When you're almost asleep and then jerk back awake #shorts #science #sleep #biology
SciShow
Why Are Some U.S. Cities Declaring Racism a Public Health Crisis?
In addition to being a serious social issue, racism is also a serious challenge to public health. In fact, over the last year and a half, dozens of cities have declared racism a public health crisis - and today, we here at SciShow will...
SciShow
Trouble in Bed: When Sleep Turns Against Us
Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. Chapters View all PRIMARY INSOMNIA NO OTHER HEALTH ISSUES 1:49 ACUTE INSOMNIA 2:01...
SciShow
Should You Really 'Feed a Cold, Starve a Fever'?
Old adages can be pretty hit or miss—especially when it comes to medical advice—but it turns out there may actually be some truth to the saying, "feed a cold, starve a fever."
SciShow
Do "Game Faces" Really Work in Sports?
When it's time to play in the big game against your fiercest rivals, you might put on your "game face." But how much does this expression affect your opponents? And might you also be affecting yourself?
SciShow
What Keeps Astronauts Up At Night?
Sleep is a crucial activity for our brains to function properly. But when you’re on the ISS, you face a myriad of distractions and obligations that make it difficult to get good shuteye. So how do these astronauts ever get restful sleep?