Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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Scientists aren't sure what color dinosaurs were.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Scientists in Germany have developed a candy that doesn't cause cavities.
11
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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