› added 5 years ago

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TIL the US has 727M barrels of oil hidden in underground salt caverns

Read more science.howstuffworks.com

via reddit.com

PY9vE TIL the original ending to Back to the Future would have Marty driving 88 mph towards a nuclear blast in a nuclear test site. However, Universal deemed it too expensive to shoot in the desert, so the lightning scene was instead shot at the Universal backlot and is shown in the final version.
v7wr TIL Neanderthals built underground buildings out of stalagmites 175,000 years ago.
b6rrj TIL that our blood is red because it is rich in iron. Some animals have blue blood because it is rich in copper.
wL5K7 TIL a fan of George RR Martin's ASoIaF guessed that " Hodor " meant " Hold the Door", to which Martin answered " you don't know how close to the truth you are "
YB6d TIL that Jurassic Bark (Futurama) was originally about Fry’s mom, but the idea was scrapped for being too upsetting to the audience.