In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Research indicates that plants grow healthier when they are stroked.
173
Billions of neutrinos pass unnoticed through your body every second.
6
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Pumice is the only rock that floats on water.
14
A ball of glass will bounce higher than a ball made of rubber.
73