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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Cold water weighs more than hot water.
93
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Sound travels about 4 times faster in water than in air.
408
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75