› added 6 years ago

318

TIL California forcibly sterilized more than 20,000 people between 1919 and 1953

Read more theconversation.com

via reddit.com

Dlje TIL That it isn’t a lack of Oxygen that causes mammals to breath, but a build up of Carbon Dioxide.
XEr5j TIL Stu, the IT guy from "what we do in the shadows", is in fact an IT guy named Stu in real life. He thought he was on set to help with IT related tasks and had no idea how big his part in the movie was until filming was almost wrapped
loVb1 TIL Bones produce piezoelectricity when stress is applied and forms electrical dipoles that attract osteoblasts. Osteoblasts deposit calcium and other minerals on the part of the bone that is stressed which increases the density of the bone.
Y7Rx TIL the Romans reached the Chinese Empire, and established an embassy there.
pYnlN TIL that carriers of Phenylketonuria, an inherited genetic disorder of the metabolism, are protected against the fungal toxin Ochratoxin A that occurs in grains. This accounts for the persistence of the allele in certain populations: it confers a "selective advantage."