Daily Sudoku

With the muzzle of a bear, the webbed feet of an otter and a bizarre looking tail, it’s hard to believe that bush dogs are actually dogs. On top of everything else, they hunt exclusively in water

Why Bush Dogs Are So Different From Other Dogs (2:43)

Just outside North Carolina's Outer Banks is Roanoke Island, the scene of one of the greatest unsolved mysteries in U.S. history: the disappearance of an entire colony of English settlers.

The Colonial Settlement That Vanished Into Thin Air (2:10)

Whale milk is some of the richest milk available to any mammal. A baby whale will drink 150 gallons of it a day to sustain its dramatic growth.

Baby Humpbacks Need 150 Gallons of Whale Milk a Day (2:51)

It's no secret that Charles IV, king of Bohemia, possessed the Spear of Destiny. But the way he brandished it in public reveals his savvy understanding of mythology and power.

Unlocking the Spear of Destiny's True Power (3:56)