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TIL Bob Ross painted a grayscale landscape after meeting a colorblind man who thought he would never be able to paint

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pRdN TIL of a blind American man who taught himself to navigate using echolocation. His hobbies include hiking and mountain-biking, and he has now trained over 500 students in his ‘tongue-click’ technique.
1ar4W TIL about the Phoebus cartel, which in 1925 met in Geneva to curb the longevity of incandescent light bulbs. This is a strategy called "planned obsolescence" to generate repeated sales and maximize profit.
KOp1Q TIL that in the 60s not only could you advertise cigarettes on television, but you could have cartoon characters be the pitchmen. For example, The Flintstones endorsed Winston cigarettes.
6ZW8 TIL candy pumpkins were placed on the seat of every U.S. Senator by the candy industry in 1985 in hopes of extending U.S. daylight saving time to cover Halloween.
Ypygx TIL that Toots & the Maytals made an unsuccessful attempt to get in the Guinness Book by recording, pressing and distributing a new album in 24hrs. Despite the fact that they managed, they did not get the record because nobody had notified Guinness book organization prior to the event.