› added 1 year ago

115

TIL people who have their lens surgicallly removed are able to see UV light

Read more theguardian.com

via reddit.com

GAYxg TIL the Battle of Gettysburg may have started because of shoes. General Heth sent General Pettigrew to Gettysburg because there were rumors of supplies of footwear, and many Confederate troops marched barefoot or with rags wrapped on their feet.
nWj97 TIL some skyscrapers have 150 ton swinging balls at the top for stability, equivalent to 30 elephants
Oonle TIL New Caledonian crows create their own hooks to pull out insects from hard to reach crevices. They are the only non-primate that manufacture their own tools.
Z8VeY TIL When we're sick, symptoms like aches and fatigue are an evolutionary trait designed to minimize the spread of infection in groups of people.
4aoo TIL that Warren Buffett got so mad that his son’s adopted daughter appeared on the documentary “The One Percent” that he disowned her and sent her a letter that said she had “never been considered a real family member” and had “not been legally or emotionally adopted” by him.