The Science of Lightning

National Geographic explores the science behind lightning strikes. Lightning strikes during thunderstorms kill more Americans each year than either tornadoes or hurricanes.

via National Geographic.

Living with Man-Eating Crocs

Crocodiles in the southern African country of Malawi often eat more than just regular wildlife prey. Sometimes they attack humans who get in their way.

via National Geographic.

The Boa in My Backyard

Stunning video of a boa constrictor killing and then eating an iguana. It all happened in the Costa Rican backyard of National Geographic Explorer Susan Perry.

via National Geographic.

Hangout in an Ancient Maya Cave

Relive the adventure from our live Google+ Hangout on Air with underwater archaeologist Guillermo de Anda, from a sacred Maya cave. More than 1,000 years ago, ancient Maya visited this cave for the sacred waters inside, building a large stone pyramid and carving a ladder that Guillermo and his team use to this day. Also joining were paleontologist Jørn Hurum and geo-archaeologist Beverly Goodman, as well as public participants in Texas and Manchester, England. To find out about future Hangouts, follow Nat Geo on Google+.

Duration: 54:53

by National Geographic.