Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Pumice is the only rock that floats on water.
14
The bark of an older redwood tree is fireproof.
65
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Most dust particles in your house are made from dead skin!
67