#33: 22 Little known fun facts

“Montezuma’s revenge” is a Mexican colloquial term for traveller’s diarrhoea, contracted by foreign tourists. Tweet This

More than 99.9% of all species that ever existed on Earth, are now extinct. Tweet This

Some countries didn’t screen the movie “E.T.” for depicting adults as children’s enemies. Tweet This

Sloth is, for the moment, the only animal named after a sin. Tweet This

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Optimistic people tend to be more often late for appointments. Tweet This

Mendeleev was inspired to create the periodic table by a game of Solitaire. Tweet This

Darwin didn’t use the word “evolution” in the first five editions of the “Origin of Species.” Tweet This

A major airline seat manufacturer patented rows of seats which alternately face toward the front and the back of the plane. Tweet This

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Ernest Rutherford used to say that “All science is either physics or stamp collecting.” Ironically, he was distinguished with a Nobel Prize in chemistry. Tweet This

Sometimes Pluto is closer to Earth than Neptune. Tweet This

Thomas Midgley, Jr. is the man who caused the greatest damage to our planet. He invented both the lead add-on for fuel and the CFC (Freon). Tweet This

Glass is a liquid and “flows” incredibly slow. Windows of really old buildings have thinner upper part as the glass flows down due to gravity. Tweet This

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In Yellowstone Park, there are much more hot springs and geysers than in the rest of the world. Tweet This

Should it have no nucleus, the Earth would be subjected to deadly space rays and life would be impossible. Tweet This

In 1992, Umberto Pelizi dived unassisted to 70 m (230 feet) and survived. Tweet This

There are only three dozen atoms of Francium on Earth. Tweet This

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Each cell contains two meters of DNA. Tweet This

Any spaceship penetrating our atmosphere at angle bigger than 5.8 degrees, would most probably burn. Tweet This

Radioactive consumer goods were manufactured until 1938. Tweet This

Einstein started talking at age of three. Tweet This

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Worldwide, less than 50 people actively look for asteroids. Tweet This

Isolated tribes in Papua New Guinea were found cultivating sweet potatoes in early 19th century. Nobody knows how that South American vegetable came there. Tweet This