Most liquid laundry detergents are alive with living organisms that help to break down stains!
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Sound travels fifteen times faster through steel than through air.
134
A ball of glass will bounce higher than a ball made of rubber.
73
In zero gravity, a candle's flame is round and blue.
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Diamonds can be shattered with a hammer.
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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.
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