› added 10 years ago

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TIL that in 2009, for the first time in world history, the number of people living in urban areas surpassed the number of people living in rural areas.

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xVELw TIL that everyone is actually blind in one part of their vision, and you can easily see this in action right now with a simple test. The cause is nerve fibers blocking the retina, and your brain just fills in this spot with surrounding images, so you don't normally notice it.
rRYXw TIL of Chiara Vigo, who is the only person alive who knows how to make silk from the highly endangered Noble Pen Shell clam
mBoo TIL the average American eats approximately 1,500 PB & J sandwiches before graduating from high school
YGGA TIL Brazil was home of the largest Nazi party outside Germany, with more than 40,000 affiliates.
R7Gwj TIL Indian intelligence first confirmed Pakistani covert nuclear weapons program by collecting hair samples from the floors of local barber shops in Kahuta.