› added 2 years ago

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TIL underground salt caverns are a common way to store crude oil

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OGKve TIL freediver Vitomir Maričić held his breath underwater for 29 minutes, breaking the world record and even surpassing most marine mammals.
e0GkE TIL that crabs have teeth in their stomachs and they use them to 'growl' at predators
D17Qv TIL that Spain still recognizes nobility titles in Mexico that were granted before its independence (some were granted after)
b9p6a TIL Mathematician Leonard Euler was so prolific and original that some of his discoveries have been named after the first person to have proved it after Euler
b9jL4 TIL the "Nuclear football" is a mobile command center that can launch a nuclear strike to any city on Earth in under 3 minutes.