science facts

15 Lesser-Known Science Facts That Will Leave You Pondering Life

15 Little-Known Science Facts That Will Blow Your Mind

2. Just a Dot

4. Bloody Amazing

If you took all the blood vessels out of an average child and laid them out in one line, the line would stretch over 60,000 miles. An adult’s would be closer to 100,000 miles long. Laid end to end, they would circle Earth 2.5 times!


6. A Galaxy Far Far Away

7. Bottoms Up

10. Killer Platypus

Platypuses look adorable and cuddly and all, but  male ones have a poison apparatus on their hind legs. There are poison glands in the thighs and a hollow spur near the heel. The sting is not dangerous to humans, but is extremely painful and causes rapid swelling in the stung area. Many archaic mammal groups possess similar tarsal spurs, so it is thought that, rather than having developed this characteristic uniquely, the platypus simply inherited this character from its ancestors.

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