Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists aren't sure what color dinosaurs were.
312
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20