Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pure water (H2O) does not conduct electricity on its own.
46
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20