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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The storage capacity of human brain exceeds 4 Terrabytes.
140
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The average temperature at 40,000 feet above sea level is -60 F.
56
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42