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TIL that the Michelin Man is white is because rubber tires are naturally white. It wasn't until 1912 that companies started mixing carbon chemicals with the rubber to make black tires. This process is not an aesthetic change, but a structural one, making the tires stronger and durable.

Read more guide.michelin.com

via reddit.com

rNBaW TIL that octopuses have three hearts. Two of these hearts pump blood to the gills, while the third pumps it to the rest of the body. When an octopus swims, the heart that delivers blood to the body actually stops beating, which explains why they prefer crawling to swimming—it’s less tiring for them!
KNgw TIL the developers of Game Dev Tycoon released a pirated version that caused players to go bankrupt because of piracy
vM4B TIL that Dr Seuss’s first book was rejected 20+ times. He was on his way to burn it when he ran into a college friend who had just been made children’s editor at Vanguard Press. Seuss later said, ‘If I’d been going down the other side of Madison Ave, I’d be in the dry-cleaning business today.’
5YyNk TIL astronomers have discovered more than 2,500 other stars with planets orbiting them in our galaxy.
J1D4Q TIL that 10% of Japan's population is now aged 80 or older