› added 1 month ago

4

TIL that the first British ocean-going iron warship deployed and operated in China during the first Opium War

Read more wikipedia.org

via reddit.com

e0MVL TIL that the distinctive look of the Curious George books is because, to save money, the artist hand-painted colour separations for a CMYK printing process. Hence the heavy use of primary colours and fringing on secondary ones.
1M1V TIL Oil-Dri was, a product invented for cleaning up oil spills on the garage floor it was not until a cat pissed in a bucket of Oil-Dri that they realized another use for it, cat litter. That is how Cat’s Pride became the first cat litter.
ZyJ4 TIL Lego minifigures have a hole on top of the head in case any kids got one of the heads stuck on their throat. That way they would be able to keep breathing.
GDyj TIL there’s an organisation that buys CO2 emission permits in order to take them out of the system. Fewer permits mean less pollution.
D1DPD TIL that when looking out for a new shell, an hermit crab will try to trade his with another but will face some competition, resulting in the creation of a line of hermit crabs, going from largest to smallest, who will shell swap until everyone has a new one that fits.