Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One ragweed plant can release as many as one billion grains of pollen!
51
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The sun is 330,330 times larger than the earth.
75
Balsa wood is classified as a hard wood!
41