› added 4 years ago

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TIL that the thinking--i.e. non-physical activity--involved in mentally rigorous activities such as chess can require so much of the body's energy that individuals can burn hundreds of calories per hour engaging in them.

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4Ag5 TIL there is a giant geoglyph in Australia that was discovered in 1998 and is miles tall. No one knows who created it.
VMPG4 TIL the material asbestos has been used by humans for over 4,500 years. In antiquity, a Sassanian king amazed his guests when he cleaned his asbestos napkin by throwing it into a fire.
yVQGV TIL the Oingi Boingo song Little Girls was originally banned in Canada and was named "the creepiest music video of all time" by The Independent.
10D7 TIL Connect Four is a solved game. The first player can always win by playing the right moves.
n6nr TIL that Marie Curie’s lab papers from the 1890’s are still radioactive. They are stored in lead-lined boxes and one must don protective gear to see them.