› added 1 year ago

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TIL that inhalation and exhalation are byproducts of the diaphragm’s movement, not an active process of the lungs. The diaphragm controls airflow by contracting and relaxing.

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p8Kye TIL that Sagittarius A* - the supermassive black hole at the center of the Milky Way - has a mass 4 million times that of our Sun, but a diameter only 31 times the Sun's. It is so dense that it could fit in the space between the Earth and the Sun, but can attract things 50k light years away.
6EKjJ TIL that a species of pine beetle has been devastating trees in the Rocky Mountain region as the climate warms
Jl54 TIL that HMO insurance plans pay doctors not to check for certain problems
kO95e TIL South Korea sells "mini studying rooms" for your home.
wLWaP TIL The European colonization of America caused a minor cooling of the world due to the decimation of the native population. An estimated 55 million native Americans died due to disease, famine and direct violence.