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TIL the two holes on on a crocodile’s snout aren’t actually it’s nostrils. They are spaces that allow the croc’s bottom teeth to poke through so that they can comfortably close their jaw.

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MGm7 TIL that Vitamin D deficiency is extremely common, considered by some to be a “hidden epidemic”. There are many possible negative effects on your health, and you should take corrective action if necessary to avoid this condition.
v1nXB TIL that during the Men's Marathon at the 1904 Olympics, competitor Fred Lorz, after suffering from a cramp, hitched a ride in a car. After the car broke down after driving for 19 miles, Fred re-entered the race and jogged to the finish line, winning the marathon.
XE6k6 TIL A dog named Cactus ran an ultramarathon in the Sahara Desert just for fun, beating the majority of human runners.
BgpEd TIL the concept of contact lenses was conceived in 1823 and was realized in 1887. The original lenses weren't meant for sight correction. Instead they were used to protect diseased eyes.
VMv4k TIL that the Justice Commandos of the Armenian Genocide, a militant organisation active from 1975 to 1987, attacked Turkish representatives and interests in Europe, North America and Australia, killing more than 30 people, among them more than 10 Turkish diplomats and attachés