Sound travels fifteen times faster through steel than through air.
134
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
In zero gravity, a candle's flame is round and blue.
16
Research indicates that plants grow healthier when they are stroked.
173
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
Balsa wood is classified as a hard wood!
41
Most dust particles in your house come from dead skin.
48