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TIL that Black-capped Chickadee's can reduce their body temperature by as much as 10 to 12 °C

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N7v9J Today I learned that testing to qualify an n95 is done by putting a persons head in a hood and then spraying something sweet or bitter into the hood and using the senses of smell and taste to verify a proper seal.
4kppw TIL Charles Dickens had a talking pet raven named Grip, who terrorized his dog, buried valuables in the yard, and died eating "a pound or two" of lead paint. As a character in one of his novels, Grip is believed to have inspired Poe's famous poem, and is on display in a Philadelphia public library
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