Most liquid laundry detergents are alive with living organisms that help to break down stains!
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Sound travels about 4 times faster in water than in air.
408
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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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.
15
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Iron weighs more after it rusts.
16