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TIL birds masturbate

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vPYG4 TIL Many schools don’t teach cursive writing anymore. When the Common Core State Standards (CCSS) were introduced in 2010, they did not require U.S. students to be proficient in handwriting or cursive writing, leading many schools to remove handwriting instruction from their curriculum altogether.
v1p5j TIL: Female wasps will attack almost any other insect to implant their eggs, which hatch into parasitic larva that eventually kill their host. This actually makes them useful as a 'green' method of pest control, being intentionally introduced to decimate the populations of crop-killing pests.
W70E9 TIL a 1-kilometer cube cumulous cloud would weigh about 1.1 million pounds.
GYykJ TIL Arnold Schwarzenegger was given top billing and paid $25 million dollars for his role of Mr. Freeze, equating to roughly $1 million dollars for each of his 27 ice puns in the film.
P1nVO TIL you can have a negative magnitude earthquake. Magnitude calcs are based on logarithmic scale so a ten-fold drop in amplitude decreases the magnitude by 1. If an amplitude of 20 mm as measured on seismic signal corresponds to a magnitude 2 earthquake then 1000 times less (0.02 mm) is mag -1.