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TIL a standard matchbox containing neutron-star material would weigh 3 trillion kilograms, the same weight as a 0.5 cubic kilometer chunk of the earth.

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PYdEw TIL a Florida animal shelter removed breed cards and instead sorted dogs into a "Pawgwarts House" by watching each dog play with a "sorting toy": brave Gryffindor pups are athletic, Slytherins are cunning pack leaders, Ravenclaws are problem-solvers, and Hufflepuffs are loyal and friendly.
oBEa8 TIL the American with the most days in space is Peggy A. Whitson. At 665 days, she has nearly spent two years literally without her feet on the ground.
VZdQ TIL birds have accents based on where they live, just like humans.
oBrQY TIL A cow is not a cow until it has had at least one calf. Until then it is called a heifer.
Wk0w9 TIL that in a real life case of Dexter's Laboratory, chemistry obsessed teenager David Hahn created a nuclear reactor by pretending to be an scientist/highschool teacher in order to obtain radioactive material. Sadly David passed away in 2016 due to alcohol poisoning.