Super-charged volcanic ash cloud in Patagonia sparks dramatic lightning

Heroic monkey: Monkey saves 'dying' friend at train station in India

We all better take some notes and learn how to be humans by animals.

Snake Coils its Way up a Tree

Watch the fascinating way this snake climbs a tree.

Worm

Exploding volcano

Naughty frogs

Jaguar Attacks Caiman Crocodile

When a jaguar pounces, sometimes one bite is all it takes to get a meal. National Geographic has exclusive video of a jaguar taking down a caiman in Brazil's Pantanal wetlands, photos of which went viral earlier this month. Luke Dollar, a conservation scientist who helps manage National Geographic's Big Cats Initiative, explains the hunt and explosive moment of predation.