There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound travels about 4 times faster in water than in air.
408
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
4.5 pounds of sunlight strike the Earth each day.
27
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
In zero gravity, a candle's flame is round and blue.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18