Scientists in Germany have developed a candy that doesn't cause cavities.
11
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Research indicates that plants grow healthier when they are stroked.
173
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One ragweed plant can release as many as one billion grains of pollen!
51