› added 3 years ago

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TIL plants often grow more after being watered with rainwater compared to regular water. Lightning in the atmosphere produces bio-available organic compounds (nitrates and ammonium, found in fertilizers) from the inert Nitrogen gas found in air, which then get dissolved in raindrops

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8eRjK TIL that during the Pony Express' 18 months of operation, it covered a distance equivalent to circling the Earth 30 times to deliver a total of 34,753 letters, and only lost one bag of mail.
oRB1W TIL Global shark populations were wiped out by up to 90 per cent around 19 million years ago, even though there were no signs of sudden climatic or environmental changes
B0RL TIL That at one point in the 90’s, 50% of all CD’s produced worldwide were for AOL.
OoaM6 TIL due to the octopus's intelligence, they and all other cephalopods are the only invertebrates that need to be anesthesised before surgery.
R7Bw9 TIL how french horn mutes can make the horn both louder and quieter depending on the type. Comparison at 2:50