› added 11 years ago

372

TIL that the melody of Happy Birthday Song is not actually copyrighted, in fact it is only the words that are copyrighted.

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4k8Ww TIL that the Mental Patients' Union was established by patients at an English psychiatric hospital to advocate for patient's rights and oppose unethical treatments.
e09X5 TIL That Caterpillar has autonomous mining truck and those trucks have more 70 millions of kilometers since can operate 24/7 in a mine. (I left heavy machinery ennvironment 20 years ago, but seems that them have been researching fron 30+years righ in front of my nose).
XEvMP TIL spectacled bears are the only bears native to South America. Also called Andean bears, they are one of four extant bear species that are habitually arboreal. Their diet is mainly herbivorous with 5-7% composed of meat. This bear species was the inspiration for the documentary Paddington Bear.
oRpnR TIL that over 60% of global iron reserves and most of the iron ore currently mined were created by precambrian bacteria. These cyanobacteria caused the Great Oxygenation Event, where free oxygen became much more common on Earth. Some of this oxygen combined with iron to form banded iron formations.
PYwBO TIL that during the 1870s, 16 Black Members held seats in Congress—14 in the House, two in the Senate, and each one a Republican from the South with Hiram Revels of Mississippi having been appointed the first Black Senator in February 1870