This butterfly could hold the secret to letting you see in the dark

The opalescent wings of the Morpho butterfly embody a perfect marriage of aesthetic beauty and biological functionality. Scientists believe that a better understanding of this creature's wings and their chemical makeup could have big implications for imaging technologies like night vision goggles that rely on sensing… » 2/15/12 12:00pm 2/15/12 12:00pm

When a cockroach is made of silver

Chitin makes cockroaches blend in with pantry shelves and dark linoleum, and yet, without mixing in any new elements, it makes the gold and silver beetles of Costa Rica shine like jewelry. Find out how changing shape can change color. » 5/05/11 7:00am 5/05/11 7:00am