Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
For every gallon of sea water, you get more than a quarter pound of salt.
45
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Out of all the senses, smell is most closely linked to memory.
146
Hot water can freeze faster than cold water.
181
Sound at the right vibration can bore holes through a solid object.
134
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44