Sound travels about 4 times faster in water than in air.
408
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Sound at the right vibration can bore holes through a solid object.
134
Most dust particles in your house come from dead skin.
48
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
