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TIL The extremely rare Chorioactic fungus has a disjunct distribution: it is only found in a few forests in Japan and a few counties in Texas at roughly the same latitude. Its appearance gives it the name 'the Devil's Cigar' and then splits into a star shape as it matures. It is unique to its genus.

Jyb4 TIL Birds that live close to the ground have low pitched calls that burst with chatter, allowing the sound to cut through ground clutter effectively. Birds that live high in trees have long, high pitched calls more suited for traveling long distances through the air.
QNNva TIL in the early 18th century, the St. Bernard dog breed was used by monks living in St.Bernard's Pass to help rescue people after snowstorms. Their resistance to cold weather and great sense of direction made them helpful for this. They were even able to find people deeply buried under snow.
GYpQ1 TIL during the Summer of 1858 London England dealt with "The Great Stink". A heat wave combined with an inadequate sewer system made the area reek of human waste for weeks. It lead to an overhaul of the sewer system that took 17 years to complete
yVKRX TIL An American Flag survived the Challenger explosion and was the flag raised at the 2002 Winter Olympics
BrBmK TIL about dry ice on Mars. This is a winter image of dry ice on Mars showing eroded channels filled with frozen carbon dioxide that appear like white ghostly spiders. During the Martian summer the ice will sublimate into the atmosphere, leaving the empty channels behind until Martian winter returns.