World’s Most Dangerous Landings at Some of The Toughest Airports
This video features some of the most dangerous landings ever. Ranging from extremely short runways to heavy crosswind landings, these landings show the true...
Gravitational waves just helped scientists fill in a gap in the periodic table
Astronomers unlocked one of the universe's best-kept secrets. Since the '50s, scientists have wondered: Where do most of the elements in the periodic table come...