Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Out of all the senses, smell is most closely linked to memory.
146
The force of a suction cup is calculated using F=AP.
15
The sun is 330,330 times larger than the earth.
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50