Sound travels about 4 times faster in water than in air.
408
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
Out of all the senses, smell is most closely linked to memory.
146
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Brass doorknobs automatically disinfect themselves in about 8 hours.
18