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!
SciShow
This Fish Bulks Up When Danger is Near
Sometimes the hairs on the back of your neck raise up when you sense that danger might be near, but what if you were also able to bulk yourself up like a muscular balloon to fend off that danger? This fish, it turns out, can do exactly...
TED Talks
TED: What crows teach us about death | Kaeli Swift
Rituals for the dead span much of the natural world, seen in practices from humans and elephants to bees, dolphins and beyond. With charm and playful insight, animal behaviorist Kaeli Swift delves into the life (and death) habits of...
SciShow
Science on Trial in Italy
Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.
SciShow
Do Humans Have Pheromones?
Ever wonder if there's something about your scent that might be sending signals to the people around you? Well as it turns out, it's possible- but it winds up being a lot more complicated than you might think. Chapters View all A...
TED Talks
Juan Enriquez: A personal plea for humanity at the US-Mexico border
In this powerful, personal talk, author and academic Juan Enriquez shares stories from inside the immigration crisis at the US-Mexico border, bringing this often-abstract debate back down to earth -- and showing what you can do every day...
TED-Ed
TED-Ed: What causes panic attacks, and how can you prevent them? | Cindy J. Aaronson
Countless poets and writers have tried to put words to the experience of a panic attack— a sensation so overwhelming, many people mistake it for a heart attack, stroke, or other life-threatening crisis. Studies suggest that almost a...
SciShow
Bird Eggs Warn Each Other About Danger
Although they don’t seem like the talkative type, recent research suggests that bird eggs can use vibrations to relay warnings about the outside world to their nest-mates.
SciShow
Anal Teeth, Paralyzing Farts, and Other Weaponized Butts
All animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!
SciShow
Why Does Spicy Food Burn When You Poop?
Sometimes your body won't let you forget that spicy burrito you had yesterday!
TED Talks
Comment nos émotions influencent nos décisions
Comment nos émotions influencent nos décisions Neuroscientiste Julie Grezes est motivée par l'idée que le cerveau humain est un « cerveau social » permettant aux êtres humains de communiquer et de collaborer avec de nombreux autres...
SciShow
7 of Australia's Most Terrifying Inhabitants
If you've spent any time on the internet, you know that Australia is host to all sorts of horrible spiders and snakes. But that doesn't even begin to cover the myriad of dangerous, sometimes deadly, plants and animals you might encounter...
SciShow
What Can You Learn from Your Dreams?
Dreaming is very weird, but you might be able to learn something from your dreams.
TED Talks
TED: We're worried about local warming ... in your lap | Yossi Vardi
Investor and prankster Yossi Vardi delivers a ballsy lecture on the dangers of blogging. Specifically, for men.
SciShow
Why Do You Feel Butterflies in Your Stomach
It may have happened when you locked eyes with your secret crush, or before an important job interview, but what exactly caused that strange, fluttering sensation in your stomach?
TED Talks
TED: What I learned from going blind in space | Chris Hadfield
There's an astronaut saying: In space, “there is no problem so bad that you can’t make it worse.” So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield...
SciShow
The Deep-Sea Snail with an Iron Shell
Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, but how it builds these scales is a bit of a mystery.
TED Talks
TED: Our lonely society makes it hard to come home from war | Sebastian Junger
Sebastian Junger has seen war up close, and he knows the impact that battlefield trauma has on soldiers. But he suggests there's another major cause of pain for veterans when they come home: the experience of leaving the tribal closeness...
MinuteEarth
The Hurricane Category Scale Is Broken
The current hurricane category scale doesn’t accurately convey the danger of a storm, because it doesn’t account for a hurricane's most destructive factors.
SciShow
3 Things to Know About Cecil the Lion
Cecil was one of the most thoroughly studied lions in Africa. And thanks to him, we know several reasons why the death of one big cat can be a big deal.
TED-Ed
TED-ED: Why is being scared so fun? - Margee Kerr
At this very moment, people are lining up somewhere to scare themselves, be it with a thrill-ride or a horror movie. In fact, in October of 2015 alone, about 28 million people visited a haunted house in the US. But you might wonder: What...
SciShow
Space Trash: The Next Big Pickle
Earth's orbit has a bit of a litter problem. Hank outlines a few ways scientists have thought of to help clean things up.
SciShow
Can We Predict Earthquakes?
Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.
TED-Ed
TED-Ed: The psychology of post-traumatic stress disorder - Joelle Maletis
Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts...