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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Research indicates that plants grow healthier when they are stroked.
173
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One barrel of petroleum holds 42 gallons.
20