One cubic foot of gold weighs more than 1,200 pounds!
78
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
Each day, up to 150 species of life become extinct.
-23
The average temperature at 40,000 feet above sea level is -60 F.
56
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Out of all the senses, smell is most closely linked to memory.
146