5 odd facts about autumn
Fall may be best known for its colorful leaves, but there are other sights as well, including the Northern Lights.
Powerhouse Solar Cell Inspired by Leaf Biomimicry
A team of scientists headed up by Princeton University has achieved a whopping 47 percent increase in electricity generation from flexible plastic solar cells, simply by texturing the surface to mimic the wrinkles of a typical leaf.
Full Story: Cleantechnica