The earth is approx. 6,588,000,000,000,000,000 tons.
175
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In zero gravity, a candle's flame is round and blue.
16
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
Pure water (H2O) does not conduct electricity on its own.
46
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
One 75-watt bulb gives more light than three 25-watt bulbs.
57