› added 2 months ago

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TIL the iron oxide in some colors of tattoo inks (black or brown) can cause burn-like injuries to the skin of people getting an MRI scan

Read more pmc.ncbi.nlm.nih.gov

via reddit.com

wO01 TIL that goldfish actually have a relatively long memory span and can remember things for several months
Lk9wP TIL that Heath Ledger initially did not take any of his roles seriously until he watched some of his films and realized that he would not want to see any of them. This inspired him to be more cautious in his choices, and he actually met with Nolan about playing Batman before being cast as the Joker.
pYw1b TIL that an in 1551 an unidentified disease known as sweating sickness, killed both the two young heirs to the Duke of Suffolk title within hours.
bk9 TIL a Greek newspaper was accidentally printed inside-out in its first issue, and they continued the tradition for over 100 years
Br6Yx TIL - Many people have Neanderthal genes in their DNA that predispose them to allergies, including pollen and animal hair