Milkweed Butterflies Are More Murderous Than They Look

This behavior by the fluttering insects was so unusual that scientists had to invent a new word to describe it.

Sneaky Thieves Steal Hair From Foxes, Raccoons, Dogs, Even You

It’s simple: Mammals have hair or fur. Birds want it.

These Plants Act Like Bees in a Hive

The plants seem to divide labor to maximize the health of their colonies that grow up the sides of trees.