› added 6 months ago

29

TIL In 1908, Romanian chemist Lazar Edeleanu developed a method for refining crude oil by using liquid sulfur dioxide. It's now called the "Edeleanu Process."

Read more wikipedia.org

via reddit.com

9YArm TIL Milton Bradley, of board game fame, was an early advocate for kindergarten in the USA. He produced a line of art supplies that became standard classroom materials, and he published multiple books and newsletters about early childhood education.
ANKxw TIL a sign of asymptomatic early kidney disease in diabetics is the development of anemia
8aeoP TIL Hot dogs are not sandwiches according to the National Hot Dog and Sausage Council
a8D1o TIL Bowling almost as old as human civilization itself. There are depictions of ancient bowling on Egyptian tombs dating back 5,000 years.
1aoDP TIL Captive Giant Pandas were shown a video of pandas mating in the wild, in an effort to get them to mate in the female's 3-day breeding cycle. When "Yongyong" tried to mount "Ke Lin", she fought him off; but after Ke Lin viewed the "panda pornography," the pair mated successfully.