If the chemical sodium is dropped into water it will immediately and violently explode.
67
Nylon is made from coal and petroleum.
42
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Out of all the senses, smell is most closely linked to memory.
146
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89