› added 9 months ago

12

TIL - Dark Side of Recycling ♻️ - Unsafe Contaminants ⚠️

Read more sciencedirect.com

via reddit.com

b6vQ0 TIL that the term "Superhero" is jointly trademarked by both DC and Marvel, and any company wishing to use any variation of the term needs to get permission from both companies
69evQ TIL Humans used to have 3 eyelids. The pink bit in the corner of your eye is what remains!
Oooje Toxic air is already a serious problem for Americans. Every year, about 200,000 people in the U.S. suffer an early death because of air pollution, according to a 2013 study, and poisonous particles have also been connected to lung and heart disease.
rNl4W TIL the main key to the Bastille is kept in George Washington’s home, Mount Vernon. It was given to him by the Marquis de Lafayette in 1790, who wrote “It is a tribute which I owe as a son to my adoptive father, as an aide-de-camp to my general, as a missionary of liberty to its patriarch.”
LpgZ TIL: An ancient planet in our solar system had its outer crust blasted away by asteroid impacts. All that remained was a solid metal core which still orbits the sun today. Scientists now propose sending a probe to this “metal world” to learn more about how our own planet formed.