› added 7 years ago

135

TIL some animals use copper, instead of iron as a way to transport oxygen through their blood

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Ldpd TIL: China used more cement in the last three years than the U.S. used in the entire 20th century.
bvyp TIL that a language dies every 14 days
DpJr TIL: A japanese guy lost approximately $70 billion during the dot com crash of 2000
X0LEE TIL that in the first administration of the SAT in 1926, test takers had to solve 315 questions in 97 minutes - one question every 18.5 seconds.
WA6B TIL Steve Crohn was one of the first studied cases of HIV immunity. His Immunity was due to a mutation in the CCR5 delta-5 receptor of CD4-t*cells, this prevented the virus from “entering” the immune cell. He committed suicide at the age of 66 after most of his friends died from the disease.