Hot water can freeze faster than cold water.
181
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
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
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Cold water weighs more than hot water.
93
A ball of glass will bounce higher than a ball made of rubber.
73
Neanderthal man had a brain capacity 100cc larger than modern man's.
50