› added 5 years ago

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TIL Great white sharks used to be considered apex predators until it was discovered that they are occasionally eaten by killer whales.

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nO6b TIL that the 1978 arcade game “Space Invaders” was so popular upon its release that by mid-1981, Space Invaders machines had grossed more than four billion quarters.
d1yQ TIL that the refrain “when one door closes, another opens" is actually an Alexander Graham Bell quote which he followed by saying “but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.”
8d64 TIL Women used to wear foot long pins in their hats which could be used in self defense to stab men who groped or assaulted them.
7rRwO TIL Blue Macaw parrot from the movie 'Rio' is now officially extinct. A study released in September found that the Blue Macaw is extinct in the wild along with seven other bird species.
ADL6o TIL In 2007, Odyssey Moon was the first team to register for the Lunar X Prize competition, an event that hopes to rekindle the efforts of humans to return to the moon. The team's goals were to build and deploy a robotic lunar lander