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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The bark of an older redwood tree is fireproof.
65
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16