Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
In zero gravity, a candle's flame is round and blue.
16
Sound at the right vibration can bore holes through a solid object.
134
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
Nylon is made from coal and petroleum.
42