Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound travels fifteen times faster through steel than through air.
134
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
German chemists made a replica of a trophy the size of one molecule.
68
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are now able to grow 'beating' heart tissue in a lab!
162