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TIL..that hospitals get FREE donated blood but then charge up to $800 for patients who use it…

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69LxW Today I learned that someone got to run Windows XP at 90 KHz or 0.09 Mhz. Who is equal to the CPU clock rate of a Intel 4004 (The first cpu in the world)divided by 7. This CPU was released in 1971. The Intel 4004 had 760KHz of CPU clock rate.
7r7bb TIL although the actual size of most mammals – including humans – is mostly set from birth, there are many other animals, such as fish, amphibians, lizards, and snakes which are known as "indeterminate growers." They never stop growing.
4XgxN TIL Brains of Transgender people more closely resemble brains of the sex they align with.
rlK1 TIL that Bernard Waldman flew on the atomic bombing of Hiroshima to record the explosion, but he forgot to open the camera shutter and therefore recorded nothing.
worLP TIL: about the African Free School founded by members of the New York Manumission Society including: Alexander Hamilton, John Jay, and Noah Webster.