How does a parasitic caterpillar survive inside an ant nest? According to research published this week, it sounds like a queen ant.

Fake snakes, mimicking moths and disguised flies: surviving in a bug-eat-bug world. [3:56]

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also...