0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One barrel of petroleum holds 42 gallons.
20
Each day, up to 150 species of life become extinct.
-23
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The force of a suction cup is calculated using F=AP.
15
Cold water weighs more than hot water.
93