A ball of glass will bounce higher than a ball made of rubber.
73
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The sun is 330,330 times larger than the earth.
75
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The force of a suction cup is calculated using F=AP.
15
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15