Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
The average home creates more pollution than does the average car.
33
Out of all the senses, smell is most closely linked to memory.
146
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One ragweed plant can release as many as one billion grains of pollen!
51
For every gallon of sea water, you get more than a quarter pound of salt.
45