One ragweed plant can release as many as one billion grains of pollen!
51
Nylon is made from coal and petroleum.
42
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
The sun is 330,330 times larger than the earth.
75
Sound at the right vibration can bore holes through a solid object.
134
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One cubic foot of gold weighs more than 1,200 pounds!
78