Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Diamonds can be shattered with a hammer.
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