One ragweed plant can release as many as one billion grains of pollen!
51
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17