Sound travels about 4 times faster in water than in air.
408
Scientists aren't sure what color dinosaurs were.
312
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The smell of freshly cut grass is actually a plant distress call.
31