Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The force of a suction cup is calculated using F=AP.
15
Nearly 50% of the world's scientists are assigned to military projects.
71
Hot water can freeze faster than cold water.
181
For every gallon of sea water, you get more than a quarter pound of salt.
45
One cubic foot of gold weighs more than 1,200 pounds!
78