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 $10 Million Race to Invent Star Trek's Tricorder
The $10 Million Race to Invent Star Trek's Tricorder (4:15)
Preview thumbnail for video'Mesmerizing: Pufferfish Twirling in Bubble Lassos
Mesmerizing: Pufferfish Twirling in Bubble Lassos (1:41)
Preview thumbnail for video'Were the Women of Petra More Important Than Men?
Were the Women of Petra More Important Than Men? (3:34)
Preview thumbnail for video'Wu Zetian's Bold Move at the Spectacular Longmen Grottoes
Wu Zetian's Bold Move at the Spectacular Longmen Grottoes (2:48)
Preview thumbnail for video'Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon
Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon (2:34)
Preview thumbnail for video'Why Dead Rulers of the Han Dynasty Were Plugged With Jade
Why Dead Rulers of the Han Dynasty Were Plugged With Jade (3:33)
Preview thumbnail for video'Why Do Giraffes Have Patches?
Why Do Giraffes Have Patches? (1:55)
Preview thumbnail for video'Brazil's Most Dangerous Landing Strip
Brazil's Most Dangerous Landing Strip (2:32)
Preview thumbnail for video'How a Deep-Sea Offshore Drilling Rig Works
How a Deep-Sea Offshore Drilling Rig Works (3:04)