Why the Tour de France is so brutal
Lesson duration 07:10
The Tour de France is the most prominent cycling race in the world— and the toughest. The best...
Lesson duration 07:10
The Tour de France is the most prominent cycling race in the world— and the toughest. The best...
Lesson duration 04:53
You and your best friend Bill are the greatest bards in the kingdom— but maybe not the brightest....
Lesson duration 05:22
Axolotls are one of science’s most studied animals. Why, you ask? These extraordinary salamanders...
Lesson duration 05:49
In 1947, the British viceroy announced that after 200 years of British rule, India would gain...
Lesson duration 05:04
In 1932, one in four Americans was unemployed, marking the highest unemployment rate in the...
Lesson duration 05:22
On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending...
Lesson duration 05:39
Forests don’t usually come to mind as a habitat for sharks. But marine forests provide a home for...
Lesson duration 13:18
The story of Anne Frank is a story that each of us can learn from. Even in moments of fear and...
Lesson duration 05:12
A samurai is found dead in a quiet bamboo grove. One by one, the crime’s only known witnesses...
Lesson duration 05:19
Afflicting nearly 1 in 10 Americans, syphilis was ravaging the U.S. in the 1930s. Many doctors...
Lesson duration 05:08
As the sun rises over Delphi in 500 BCE, Aristonike hurries to the temple of Apollo where a...
Lesson duration 14:28
The world's most valuable tech companies profit from the personal data you generate. So why...
Lesson duration 04:22
We have lots in common with our closest primate relatives. But comparatively, humans seem a bit…...
Lesson duration 05:27
In 1849, in the ancient city of Nineveh in Iraq, archaeologists sifted through dusty remains,...
Lesson duration 09:13
In 1921, a white mob destroyed an American neighborhood called “Black Wall Street,” murdering an...
Lesson duration 05:38
On Olympus, you’ve been waiting for an opportunity to bring the bloody Trojan War to its...
Lesson duration 04:43
You’re traveling deep beneath the ocean’s surface, where faint lights flicker and toothy grins...
Lesson duration 05:18
In 1944, amateur astronomer Hisako Koyama’s latest endeavor was sketching the sun’s shifting...
Lesson duration 16:08
Why do people distrust vaccines? Anthropologist Heidi Larson explores how medical rumors...
Lesson duration 05:31
It’s a bustling day in Pompeii. After a quick visit to the market, Fabia spots her brothers,...
Lesson duration 05:22
Many animals need sleep. But all of the threats and demands animals face don’t just go away when...
Lesson duration 12:53
The Israel-Palestine conflict is often cast as a long-term beef going back thousands of years,...
Lesson duration 04:50
A throbbing, pounding headache. Bright zigzagging lines across your field of vision. Sensitivity...
Lesson duration 11:49
What if your attachment to being a "good" person is holding you back from actually becoming a...