Georgia is not heard or seen in the world, and many don't even know the location of the country, says TED Fellow and photographer Daro Sulakauri. Through her striking photographs of life in the shadows of Russian occupation, she uses her...

Human territoriality results in some pretty ridiculous behaviors. And luckily, scientists have studied it in all kinds of situations.

Trust funds aren't just for humans. Animals pass on generational wealth too, meaning even the animal kingdom isn't free of nepo babies.

The largest rainforest in the world, the Amazon, exists between two rivers — but not in the way you might think. At ground level, the Amazon River and its tributaries weave their path. But above the canopy, bigger waterways are on the...

Despite the name, we don’t know where the so-called “hell pigs” belong in the mammalian family tree. They walked on hooves, like pigs do, but had longer legs, almost like deer. They had hunched backs, a bit like rhinos or bison. But as...

Hank examines the zoological definition of monogamy, as well as some other breeding strategies that animals use.

Did you ever wonder how some squirrels find food in the cold winter? Mister Brown and Squeaks learn all about it this week as they discover a squirrel midden on their hike!

Between the war in Ukraine and tensions with China, President Biden's handling of foreign policy issues is being put to the test. In former Secretary of State Henry Kissinger's new book, "Leadership: Six Studies in World Strategy," he...

Extraordinary violence is among the factors pushing Central Americans north toward the U.S. In El Salvador, rival gangs like MS-13 and the 18th Street Gang kill thousands per year, despite a harsh crackdown by law enforcement. Special...

Today, we’re going to take a closer look at borders and the stories they tell. When we look at a map, the shapes we’re seeing can seem so permanent, but a map is just a snapshot of the Earth at a particular time, and by looking a...

What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!

In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very...

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...

Explore several ecological relationships with The Amoeba Sisters! Ecological relationships discussed include predation, competition, and symbiotic relationships (parasitism, mutualism, and commensalism).

Table of...

Can you feel the love tonight? Hopefully scientists can make this the case for the growing numbers of lions in animal sanctuaries.

Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.

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.

Only a couple of decades after the end of the First World War--which was supposed to be the War that Ended All Wars--another, bigger, farther-flung, more destructive, and deadlier war began. Today, you'll learn about how the war in...

Empire, imperialism, and colonialism are all interrelated tactics of geopolitics that are used to achieve similar goals of one state maintaining economic, political, or even cultural dominance over other territories. Today, we’re going...

In which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young...

In which John Green teaches you about European Imperialism in the 19th century. European powers started to create colonial empires way back in the 16th century, but businesses really took off in the 19th century, especially in Asia and...

In which John Green teaches you about European Imperialism in the 19th century. European powers started to create colonial empires way back in the 16th century, but businesses really took off in the 19th century, especially in Asia and...

One important nonverbal cultural cue is physical proximity to others. For instance, how close do you stand to others? What is your comfort zone? Standing distances shrink and expand across cultures. Learn how people might mark their...

In 1820, the United States was growing—but deep divisions over slavery were threatening to tear it apart. The Missouri Compromise was an agreement meant to keep peace between free and slave states by drawing a line across the country....