TED-Ed
TED-ED: The terrors of sleep paralysis - Ami Angelowicz
Imagine you're fast asleep and then suddenly awake. You want to move but can't, as if someone is sitting on your chest. And you can't even scream! This is sleep paralysis, a creepy but common phenomenon caused by an overlap in REM sleep...
SciShow
Pareidolia: Why People Keep Seeing Crazy Stuff on Mars
Why do people supposedly see a woman in pictures sent from Mars by the Curiosity Rover? For the same reason that people see Pepe the Frog in their toast, or Jesus in a tortilla: a phenomenon known as pareidolia.
SciShow
Why Do We Blush?
Aw, don't be embarrassed everyone does it! Quick Questions explains what causes blushing, which Darwin called "the most peculiar and most human of all expressions."
SciShow
The Baller Rat That Kicks Rattlesnakes in the Face
This small animal might seem like a run-of-the-mill rodent at first, but its huge back legs can produce kicks hard enough to let it rumble with rattlesnakes looking for a meal.
TED Talks
TED: Weaving narratives in museum galleries | Thomas P. Campbell
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. As the director of the Metropolitan Museum of Art in New York, Thomas P. Campbell thinks deeply about curating—not...
TED-Ed
TED-ED: History vs. Che Guevara - Alex Gendler
His face is recognized all over the world _ the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this...
SciShow
Why Are Snowflakes Flat
We’re told that all snowflakes are unique. But when you really think about them, snowflakes get even more interesting - as ice crystals forming in 3D space, why are snowflakes basically 2D?
TED Talks
TED: How revenge porn turns lives upside down | Darieth Chisolm
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What can you do if you're the victim of revenge porn or cyberbullying? Shockingly little, says journalist and...
TED Talks
TED: Say your truths and seek them in others | elizabeth Lesser
In a lyrical, unexpectedly funny talk about heavy topics such as frayed relationships and the death of a loved one, elizabeth Lesser describes the healing process of putting aside pride and defensiveness to make way for soul-baring and...
SciShow
Carl Sagan
Hank pays tribute to Carl Sagan, noting his accomplishment as an astronomer and his contributions to culture -- both pop and otherwise -- as one of the great popularizers of science. Happy Carl Sagan Day!
TED Talks
Siegfried Woldhek: The search for the true face of Leonardo
Mona Lisa is one of the best-known faces on the planet. But would you recognize an image of Leonardo da Vinci? Illustrator Siegfried Woldhek uses some thoughtful image-analysis techniques to find what he believes is the true face...
TED Talks
Iain Hutchison: Saving faces: A facial surgeon's craft
Maxillofacial surgeon Iain Hutchison works with people whose faces have been severely disfigured. By pushing to improve surgical techniques, he helps to improve their lives; and by commissioning their portraits, he celebrates their...
TED Talks
TED: To raise brave girls, encourage adventure | Caroline Paul
Gutsy girls skateboard, climb trees, clamber around, fall down, scrape their knees, get right back up -- and grow up to be brave women. Learn how to spark a little productive risk-taking and raise confident girls with stories and advice...
SciShow
High-Tech Masks: The Future of Face Coverings
Masks do wonders to stop the spread of infection and inhalation of harmful particles, and some new technology can make them both more effective and easier to clean.
TED Talks
TED: A feminist reimagining of Kenya's public transport | Naomi Mwaura
Kenya's minibuses -- known as "matatus" -- offer a convenient, affordable and colorful way for people to get around. But they also pose safety risks and accessibility issues for many of their passengers, especially women. Bringing a...
SciShow
3 Neat Facts About Narwhals (Including: They're Real!)
In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on...
TED Talks
Shabana Basij-Rasikh: Dare to educate Afghan girls
Imagine a country where girls must sneak out to go to school, with deadly consequences if they get caught learning. This was Afghanistan under the Taliban, and traces of that danger remain today. 22-year-old Shabana Basij-Rasikh runs a...
SciShow
Why Is Your Cat So Disgusted With You?
Sometimes your cat looks at you like they’re just absolutely revolted. So, does your cat think you're gross?
TED Talks
TED: The real reason you feel so busy (and what to do about it) | Dorie Clark
These days, almost all of us feel pressed for time. Leadership expert Dorie Clark shares three hidden reasons people fall into an endless loop of feeling constantly busy, and invites you to question what really motivates how you spend...
TED-Ed
TED-ED: Group theory 101: How to play a Rubik's Cube like a piano - Michael Staff
Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music, and their common ground has something to do with a Rubik's Cube puzzle. Michael Staff explains...
TED Talks
Dan Ariely: Beware conflicts of interest
In this short talk, psychologist Dan Ariely tells two personal stories that explore scientific conflict of interest: How the pursuit of knowledge and insight can be affected, consciously or not, by shortsighted personal goals. When we're...
TED Talks
TED: The joy of surfing in ice-cold water | Chris Burkard
Anything that is worth pursuing is going to require us to suffer, just a little bit, says surf photographer Chris Burkard, as he explains his obsession with the coldest, choppiest, most isolated beaches on earth. With jawdropping photos...
SciShow
Should You Worry About Alcohol Causing Cancer?
The American Society of Clinical Oncology recently released an official statement about alcohol and cancer, but the information isn't as extreme as some headlines would imply. Also, scientists at Duke University have found evidence that...
SciShow
Why Is Being Underwater So Peaceful?
After nailing that sweet triple gainer into the pool you may have noticed something: being underwater is very peaceful, thanks to a reflex we share with all air-breathing vertebrates.