Daily Crossword

A giant killer hornet war is waged between two colonies, and the resources, territories, and survival of a new generation are at stake. Watch the battle unfold as these huge hornets risk their lives for their kingdoms.

Two Giant Killer Hornet Colonies Battle to the Death (3:25)

One highly influential ancient Middle Eastern civilization established some of the essential systems we still use today. Think you know which it is?

Who Decided to Put 60 Seconds in a Minute? (2:33)

For six weeks, luna moth caterpillars gorge themselves on the leaves of the marula tree. Then, when they're ready, they instinctively weave giant cocoons around themselves in preparation for their stunning metamorphosis.

Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon (2:34)

Green tree vipers can kill in the dark. With special heat-sensing abilities, they can find prey that's all but invisible.

A Pit Viper's Sixth Sense (2:03)