Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Your brain is 80% water.
525
Most dust particles in your house are made from dead skin!
67
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