One 75-watt bulb gives more light than three 25-watt bulbs.
57
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Pumice is the only rock that floats on water.
14
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Out of all the senses, smell is most closely linked to memory.
146
Scientists aren't sure what color dinosaurs were.
312
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55