If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The sun is 330,330 times larger than the earth.
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Pumice is the only rock that floats on water.
14
Most dust particles in your house come from dead skin.
48
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