Nylon is made from coal and petroleum.
42
Your brain is 80% water.
525
Out of all the senses, smell is most closely linked to memory.
146
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
One cubic foot of gold weighs more than 1,200 pounds!
78
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89