One ragweed plant can release as many as one billion grains of pollen!
51
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
For every gallon of sea water, you get more than a quarter pound of salt.
45
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
German chemists made a replica of a trophy the size of one molecule.
68
Pumice is the only rock that floats on water.
14
The average home creates more pollution than does the average car.
33