Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The storage capacity of human brain exceeds 4 Terrabytes.
140
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Nearly 50% of the world's scientists are assigned to military projects.
71
Sound at the right vibration can bore holes through a solid object.
134
A ball of glass will bounce higher than a ball made of rubber.
73