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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Nearly 50% of the world's scientists are assigned to military projects.
71
Most dust particles in your house come from dead skin.
48
Billions of neutrinos pass unnoticed through your body every second.
6
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17