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TIL the longest road in the world is the Pan-American Highway stretching 29,800 miles

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via reddit.com

vY5x TIL The tallest building in the world to have a woman as lead architect is in Chicago (Aqua Tower)
nWXnG TIL that over 2,000 years ago the Greek astronomer Eratosthenes estimated the Earth’s circumference to be equivalent to 26,000 miles, a 5% error. He did this based on the Sun shining down wells in the Egyptian cities of Alexandria and Styene and knowing how far apart they were.
5VKkD TIL that tetanus is the only vaccine-preventable disease that is caused by an infection but is not contagious.
BgM0L TIL that 75% of the images in Ikea's product catalogue were computer generated...in 2014
AD7ya TIL: Max Planck's life was filled with tragedy. His wife died early, his oldest son died in WWI, his two twin daughters both died while giving birth, and lastly, his second son was executed by Nazi Germany because of his participation in the failed attempt to assassinate Hitler.