The Secret of a Shark's Eyes

Did you know that great white sharks have an almost identical eye structure to humans? Or that they have a layer of reflective crystals behind them? This is the fascinating science behind sharks' killer vision (4:16)

Latest Videos

Preview thumbnail for video'The
The "New Jerusalem" of Ethiopia (2:55)
Preview thumbnail for video'Why Do Hyenas Laugh?
Why Do Hyenas Laugh? (3:38)
Preview thumbnail for video'The Reason Why DC Is Between Maryland and Virginia
The Reason Why DC Is Between Maryland and Virginia (3:17)
Preview thumbnail for video'These Are Home Movies From Hitler's Vacations
These Are Home Movies From Hitler's Vacations (3:30)
Preview thumbnail for video'Daniel Boone's Wilderness Road
Daniel Boone's Wilderness Road (3:14)
Preview thumbnail for video'Cowboys Without Horses
Cowboys Without Horses (3:29)
Preview thumbnail for video'Closed to the Public: The Iconic Joseff of Hollywood's Studio
Closed to the Public: The Iconic Joseff of Hollywood's Studio (4:26)
Preview thumbnail for video'The Sneaky Reason Why Plants Bear Fleshy Fruit
The Sneaky Reason Why Plants Bear Fleshy Fruit (2:53)
Preview thumbnail for video'Who Were the First Yogis?
Who Were the First Yogis? (2:22)