How the largest bird of all time stayed airborne

With a 24-foot wingspan, how did the prehistoric Pelagornis sandersi, the largest known flying bird of all time, manage to fly so well? It relied on two key factors: a light frame and an ability to soar with the ocean currents. (3:55)

Latest Videos

Preview thumbnail for video'Why the Apollo 11 Crew Was Quarantined Upon Return
Why the Apollo 11 Crew Was Quarantined Upon Return (2:59)
Preview thumbnail for video'How Neil Armstrong Trained to Land the Lunar Module
How Neil Armstrong Trained to Land the Lunar Module (2:13)
Preview thumbnail for video'Why Interest in Space Travel Waned After Apollo 11
Why Interest in Space Travel Waned After Apollo 11 (2:48)
Preview thumbnail for video'How Angled Flight Decks Revolutionized Aircraft Carrier Flight Decks
How Angled Flight Decks Revolutionized Aircraft Carrier Flight Decks (2:53)
Preview thumbnail for video'These British Fighter Planes Ruled The Skies Of Dunkirk
These British Fighter Planes Ruled The Skies Of Dunkirk (4:00)
Preview thumbnail for video'This Legless Pilot Was A World War II Flying Ace
This Legless Pilot Was A World War II Flying Ace (3:40)
Preview thumbnail for video'Germany suffered big losses at the hands of the P-38
Germany suffered big losses at the hands of the P-38 (3:24)
Preview thumbnail for video'How Henry Ford went from pacifist to major supplier of World War I
How Henry Ford went from pacifist to major supplier of World War I (2:56)
Preview thumbnail for video'How the P-38 flew faster and higher than its rivals
How the P-38 flew faster and higher than its rivals (2:57)