Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Your brain is 80% water.
525
Liquid TIDE laundry detergent glows under a blacklight.
96
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The only letter not appearing on the Periodic Table is the letter "J".
180
Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33