A ball of glass will bounce higher than a ball made of rubber.
73
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The only letter not appearing on the Periodic Table is the letter "J".
180