› added 7 months ago

232

TIL, in my first-time post you all, there are 5 types of color-blindness

Read more colourblindawareness.org

via reddit.com

8evpK [TIL] The Frisbee was created in the 1870's by someone throwing a pie tin. Fun fact, the pie company still exists and still sells pies.
dDAQ TIL there is a mountain in Canada called “Unnecessary Mountain”.
XWD8 TIL the Large Hadron Collider had to be shutdown when a weasel fell into it.
69R4Z TIL Machu Picchu was the guarded secret of a few Peruvian farmers until 1911 when one of them agreed to guide an American explorer up the mountain for the price of a few coins.
QJ60X TIL people suffering from schizophrenia or autism are less likely to be fooled by "hollow face" illusions or other optical illusions that mess with depth perception and perspective. After successful treatment for schizophrenia, the illusion is more likely to fool them.