› added 3 years ago

161

TIL that a number of Victorian photographers combined images from more than one negative to create illusions or novelty portraits. “Headless Photographs” featured men and women with “their heads floating in the air or in their laps”.

Read more wikipedia.org

via reddit.com

7awP TIL of a town in Buenos Aires that stayed 25 years under water. It wasn’t until 2009 that the water started to recede to reveal a post-apocalyptic scene.
mxAPR TIL of bematists of ancient Greek and Egypt, trained professionals who were hired to measure distance by counting their highly accurately spaced steps. The mathematician Eratosthenes worked out the circumference of the Earth using bematists' work.
695V8 TIL that anxiety and depression can cause physical pain
ZAXv TIL that there is a family in Turkey with a gene mutation that renders them unable to walk upright and speak properly. Scientists think that their DNA holds the key to explaining how humans evolved from apes 4 million years ago.
160PX TIL Albert Einstein was passionate about sailing despite not knowing how to swim and refusing to wear a lifejacket.