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When David Koresh and the Branch Davidians were raided by the ATF, they were prepared to fight back with automatic weapons.

The skin of colobus monkeys were once used in dance rituals.

Ron Sullivan recounts his encounter of strange lights of a landed UFO in Australia.

Migrating herds move across wide open spaces in full view of waiting predators.

Tony demonstrates how he plants a chestnut tree on his property.

Big cat tracker Boone Smith ventures into the heart of Mumbai to uncover why leopards roam the city streets.

Woody the raccoon learns to fish for minnows while in rehabilitation.

The ambitious Nile crocodile targets a 1,500-pound buffalo but has it bitten more than it can chew, literally?

Do squirrels have super reflexes that can save them from getting wet by an exploding balloon?

As Hitler’s health continues to deteriorate, his physician, Theodore Morell ups the strength and frequency of the drugs he...

Camera traps capture images of a wide variety of animals going after prey.

The role of Herodia isn't as villainous as always thought, according to Emmanuelle Chriqui.

Featuring an interview with filmmaker Christopher Nolan, host Neil deGrasse Tyson and his guests discuss relativity and the...

Brain demonstrates a do-it-yourself method to program a single remote to work on two different cars.

Brian Brushwood explains how to make a gas mask with stuff you can find around your house.