› added 1 year ago

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TIL cancer cells are immortal by activation of an enzyme called telomerase, which is developmentally switched off in normal cells. Cell immortalization is a step that appears to govern the development of all human cancer.

Read more ncbi.nlm.nih.gov

via reddit.com

oRk1A TIL that when Weird Al was developing The Weird Al Show, Seth MacFarlane pitched him an animated segment, which Al didn't go with. The segment was later developed into Family Guy
9YQXM TIL that that black holes "spaghettify" any objects entering the black hole, stretching them out like spaghetti in a process called spaghettification.
rRl7e TIL a man running an ultramarathon was joined by a stray dog for more than 77 miles (125 km) through the Gobi Desert, but he lost track of the dog after the race. With help from 20 volunteers, he finally found the dog after a 2-week search, named him Gobi and brought him back to live in Edinburgh.
l71Ra TIL that "Where the Crawdads Sing" was Delia Owens' first and only novel, and she was a conservationist and zoologist who wrote about her work with animals before that book was written
4XaE5 TIL that actor Ed O'Neill, famous for his role as TV's Al Bundy, was signed as an undrafted free agent by the Pittsburgh Steelers in 1969. He was cut in training camp.