Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Pumice is the only rock that floats on water.
14
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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
The average home creates more pollution than does the average car.
33
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117