Nylon is made from coal and petroleum.
42
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The force of a suction cup is calculated using F=AP.
15
Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33
According to studies, men change their minds two to three times more often than women.
72
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