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TIL Douglas fir trees aren't firs

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E1QNx TIL penguin poop will change Antartica's ecosystem. For the last 5,000 years, penguins have delivered roughly 16 million pounds of nutrient rich poop on the rocks of Antartica. This poop can one day support plants and animals which currently can't survive in Antartica.
5v4r TIL: Theodore Roosevelt was seen as dangerously loud-mouthed and was given the Vice-Presidency to make sure he was politically powerless.
VB0kQ TIL due to their superior smelling and climbing capabilities, police departments in Southeastern China have started utilizing squirrels as alternate drug sniffer units over the usual canines.
m1kDE TIL Boeing offered to install solid rockets on their early 727-200 airliners back in the 1960s and 1970s. These were for emergency thrust in the event of an engine failure during takeoff at high altitude airports. Only twelve 727s ever had them, all with Mexicana Airlines for use at Mexico City.
4Xxd6 TIL Giving oxytocin to virgin rats could trigger maternal behaviours: the animals would build nests, lick or crouch over unfamiliar pups and even return lost pups to the nest.