Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Sound travels about 4 times faster in water than in air.
408
Each day, up to 150 species of life become extinct.
-23
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65