› added 5 years ago

137

TIL that during WW1 the British used semen as invisible ink, and the name of the man who invented this technique was “Captain Sir Mansfield Cumming”

Read more independent.co.uk

via reddit.com

nQPr TIL of a horse named Jim who was used to make diptheria anti-toxin. One day Jim got tetanus and by the time anyone noticed 12 children who received his serum had died, leading to the creation of the 1902 Biologics Control Act.
VM1Xp TIL that the majority of Amtrak's delays are due to freight railroads giving priority to their own trains over passenger trains. Even though this is explicitly against the law, only 1 violator has ever been charged by the Dept. of Justice in the entire 47 year history of Amtrak.
OGjL7 TIL that human body temperature has been declining by 0.05 degrees F each decade
6Ej4w TIL that every baseball used in MLB is conditioned with a specific “baseball rubbing mud”, which has been provided by one family for 3 generations.
kpj1 TIL Amazon owns IMDb