› added 8 years ago

500

TIL British spies stopped using semen as invisible ink because it began to smell if it wasn’t fresh.

Read more telegraph.co.uk

via ift.tt

XENjR TIL Kidney failure means the kidney is unable to filter out waste normally and does not mean the kidney starts becoming necrotic.
oBQ6W TIL in the Rocky Horror Picture Show (1975), When a corpse was revealed under the dining table, none of the actors actually knew that it was there –so the shock on their faces was absolutely genuine. Tim Curry had known beforehand because he was the one who had to whip the tablecloth off.
WnrA TIL if a potato is exposed to light while growing, it will turn green and become poisonous
yQMxl TIL the CN Tower in Toronto gets hit by lightning strikes at least 75 times a year
BO5k TIL Sloths are three times faster in water than on land and can hold their breath for up to 40 minutes.