Light Wings

Light Wings

Wings can take on almost any color, texture, or appearance: metallic sheen, transparent or ghostly white, as in this cabbage white butterfly (genus Pieris).

Image: Evan Leeson/Flickr.

Light Wings

Backlink: http://www.wired.com/wiredscience/wp-content/gallery/insect-wings/light-wings.jpg

Bird Flight Might Have Started With Legs, Not Wings

To take flight, first strengthen your legs: It sounds like a self-help proverb, but it could explain how birds first took wing.

Bird Flight Might Have Started With Legs, Not Wings

Backlink: http://www.wired.com/wiredscience/2011/08/bird-flight-evolution/