A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One third of the electricity produced on earth is used to power electric light bulbs!
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5