SciShow
Should You Worry About Caffeine Dehydrating You?
There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?
SciShow
Homophobia and Consumerism
Hank discusses some new research that studied what makes us unhappy with ourselves and with other people, focusing on homophobia and consumerism.
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
Can Cold Showers Actually Change Your Life?
Many people swear that a cold shower every morning has the power to change your life, and improve your health- but can this be proved by science? Join us as Hank Green dives into the world of cold showers and discusses whether these...
SciShow
Life-Changing Birdsong
Bird parent's calls can change how their babies develop! And, do you learn faster when playing a game to benefit yourself or other people?
SciShow
Why Do We Wrinkle When Wet?
Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.
TED Talks
TED: How to solve the education crisis for boys and men | Richard Reeves
While studying inequality and social mobility, Richard Reeves made a surprising discovery: in some countries, like the US and UK, boys are drastically lagging behind girls across many academic measures. He explains why these struggles in...
TED-Ed
TED-Ed: The power of the placebo effect - Emma Bryce
The placebo effect is an unexplained phenomenon wherein drugs, treatments, and therapies that aren't supposed to have an effect -- and are often fake -- miraculously make people feel better. What's going on? Emma Bryce dives into the...
SciShow
5 Psychology Experiments You Couldn't Do Today
In the past, some experiments were run in scary and unethical ways. From using children to unknowing subjects, these five experiments left people affected for the rest of their lives.
Crash Course
The Tuskegee Experiment: Crash Course Black American History
From 1932 to 1972, the United States Public Health Service and the Centers for Disease Control and Prevention operated an extremely unethical medical experiment on the effects of outcomes of untreated syphilis. Hundreds of poor Black men...
SciShow
Why You’ll Never See Your Eyes Move in a Mirror
Your brain does a lot to smooth out your visual experience of the world… including the closest thing we have to time travel.
SciShow
Why Don't You Notice Obvious Mistakes in Movies?
Whether it's a car in the background of Braveheart or the inconsistent cliff in Jurassic Park, movies tend to have mistakes. Why don't we notice them more often?
SciShow
Facebook's Secret Psychological Experiment
SciShow News explains the science behind a psychological experiment performed on about seven hundred thousand Facebook users, although none of them knew that they were participating.
TED Talks
Alessandro Acquisti: What will a future without secrets look like?
The line between public and private has blurred in the past decade, both online and in real life, and Alessandro Acquisti is here to explain what this means and why it matters. In this thought-provoking, slightly chilling talk, he shares...
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?
Crash Course
Charles V and the Holy Roman Empire: Crash Course World History
In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Emperor, but he was also the King of Spain. And the King of Germany. And the King of Italy and the Lord of...
SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
SciShow
How to Learn While You Sleep
You may not be able to unlock all the secrets of the universe while you snooze, but it's still possible to reinforce what you've already learned.
SciShow
2 Weird Experiments in Human Space Flight
SciShow Space News reveals two weird experiments in human spaceflight: one showed us what it really feels like to walk on the moon, the other put ordinary people through space flight simulation to see how they did. Find out inside!
SciShow
Can Cold Showers Really Improve Your Health?
Some people tout the health and productivity benefits of cold showers, but how much do they really do?
SciShow
Why Does Time Slow Down During Car Accidents?
The sensation of time slowing down during intense situations is a commonly reported phenomenon, but what's actually going on?