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615,539 results
Can geography save your life in case of, say, a zombie apocalypse? Understanding the push and pull factors that create ...
3,115,865 views
11 years ago
When you take a bite of a hot pepper, your body reacts as if your mouth is on fire -- because that's essentially what you've told ...
4,532,918 views
10 years ago
When you can't sleep, you're desperate for help. And there's a booming industry waiting to tell you all the ways a lack of sleep can ...
2,752,524 views
1 year ago
Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in ...
4,031,362 views
6 years ago
You can use any YouTube video or you can select a TEd ED original lesson. Here are a few examples. Note you can sort by ...
1,564 views
7 years ago
If you read "Bob, a DJ and a clown" on a guest list, are three people coming to the party, or only one? That depends on whether ...
1,749,960 views
Pain is your body's signal that something isn't right. To help manage it, doctors often prescribe powerful opioids -- but they're not ...
93,213 views
Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see ...
6,220,098 views
12 years ago
John (Max Burkholder) faces the awkward teenage horrors of sex education class while Ted (Seth MacFarlane) has the time of his ...
650,465 views
4 months ago
You're a bank robber trying to escape from jail. Can you solve the riddle to get past the fence to freedom? -- Your timing made you ...
3,996,873 views
5 years ago
Have you ever suffered from exertional heat stroke? This condition is caused by intense activity in the heat and is one of the top ...
1,730,573 views
9 years ago
The family of giants you work for is throwing a fancy dinner party, but there's a problem — the elder giant's favorite shirt is wrinkled!
2,529,576 views
Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to ...
21,683,221 views
8 years ago
The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or ...
8,410,895 views
You're a vampire hunter entering the enemy's lair. Can you outsmart this tricky brainteaser and vanquish the vampires? -- You've ...
3,225,568 views
You've promised to get your son the cutest creature in creation: the cuddly. Can you outsmart the cuddly incubator and go home a ...
3,543,618 views
There's a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It's your liver: the heaviest organ in your ...
3,011,511 views
Explore the psychology of the cognitive bias known as the conjunction fallacy, where we assume specific conditions are more ...
1,994,321 views
4 years ago
On first glance, the painting “Las Meninas” (“The Maids of Honor”) might not seem terribly special, but it's actually one of the most ...
1,304,508 views
Mansa Musa, the 14th century African king of the Mali Empire, is said to have amassed a fortune that possibly made him one of ...
7,867,944 views