Videos

Two Giant Killer Hornet Colonies Battle to the Death

A giant killer hornet war is waged between two colonies, and the resources, territories, and survival of a new generation are at stake

Mary Beard on Pompeii's Showiest Family

The Valentes were a wealthy Pompeii family that used lavish, high-end parties to gain political clout. Classicist Mary Beard walks us through the remains

Surprise: Gladiators Were Vegetarians

A huge factor in a gladiator's physical fitness was a meatless diet. During training, he primarily ate beans for protein and barley for carbohydrates

Incredible: Five Lions Take Down a Giraffe

Free from their mother's care, five young lions must fend for, and feed, themselves. Their first challenge: a giant giraffe who refuses to be caught

How One Millionaire's Promise Led to a National Park

When millionaire John D. Rockefeller Jr. first visited Jackson Hole, Wyoming in 1926, he vowed to preserve the awe-inspiring land

Which National Park Draws 25 Million Visitors a Year?

The National Mall attracts an unbelievable amount of visitors each year. Here's what they come to see.

A Secret Refuge for Elk Thought to Be Extinct

As many as 500,000 tule elk once roamed the coast of California, but they were hunted to extinction in the mid-1860s. Or so we thought...

Why Honey Bees Are Crucial Employees at this Airport

A colony of 300,000 honey bees lives just south of Frankfurt Airport. By testing the quality of their honey, scientists can determine pollution levels

The Real Way Komodo Dragons Kill Prey

Komodo dragons aren't physically built to chase after their prey

Why Is This Lizard Doing Push-Ups?

Draco lizards have an interesting technique of performing upper body workouts to get the attention of their potential mates

The Insanely Ambitious and Corrupt Plot to Grow L.A.

In 1898, the mayor of Los Angeles, Fred Eaton, came up with an audacious plan to drive up the value of local real estate

The Double Eagle Investigation

Years after all double eagles were supposedly destroyed, the Secret Service traces the reappearance of two of the rare coins back to a deal with a jeweler

Death Valley: One of the Most Extreme Places on Earth

In 1913, temperatures in Death Valley reached a world-record high of 134 degrees Fahrenheit

What Is a Rattlesnake's Rattle Actually Made Of?

Each time rattlesnakes shed their skin, a scale remains behind which, in time, becomes the infamous rattle

The Amazing Rise of Parliament's First Female Member

When Nancy Astor's husband gave up his seat in British parliament, she decided to run in his place

Watch: Hammerhead vs. Stingray

A hammerhead shark locates a stingray hiding beneath the ocean floor. Unnerved, the stingray makes a dash for freedom—but is it too late?

Is Donald Harvey the Most Prolific Serial Killer in America?

Donald Harvey, a mild-mannered hospital worker, called himself the "Angel of Death"

Does 'The Last Supper' Really Have a Hidden Meaning?

Could the painting actually contain a message from Leonardo?

The Egyptian Pharaoh With the Biggest Ego

Though little is known about Khufu, the pharaoh who oversaw the Great Pyramid's construction, vicious rumors about him persist today

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