› added 8 months ago

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TIL that during the Cold War, the CIA experimented with using pigeons equipped with tiny cameras to conduct aerial surveillance. While it sounds like a joke, pigeons were genuinely deployed for spy missions!

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via reddit.com

4XGJ6 TIL That Japan burns a portion of its garbage and uses the resulting ash in land reclamation. As of 2012 Japan has created over 250 square kilometers (96 square miles) of new land using this method.
d8lKr TIL lupines can signal to a bee that the pollen rewards are gone or almost gone. After pollination occurs, the petals change color as a way of saying “no more here, try the next flower…” This re-directs the bee to a flower that needs pollination.
k5jE TIL the city which is set to host the 2022 Qatar FIFA World Cup final does not yet exist
KDWG TIL: Before he dropped it, Prince Phillip’s surname was Schleswig-Holstein-Sonderburg-Glücksburg
XEnwD TIL that the core of the sun has a energy density comparable to the heat produced by a compost pile