› added 5 years ago

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TIL Diamonds Shatter as easily as Glass. They are very Hard (scratch resistant) but have a Low Fracture Toughness.

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9kKQ TIL during the Cold War, Nikita Khrushchev said to Mao Zedong that “Berlin is the testicles of the West. Every time I want to make the West scream, I squeeze on Berlin.”
x9Pk TIL the reason peanut butter doesn’t go bad is its aridity; with a moisture content of about 2%, it doesn’t contain enough water to support bacterial and fungal growth.
0dXDN TIL that of the 5000 or so species of mammals on the planet only female humans have permanent breasts.
R7Ebj TIL opossums have 50 teeth – the most of any mammal. They are also the most varied in size of any mammal, with males in the northern range weighing up to twenty times as much as a female in the southern range.
9YrK6 TIL that people in the final stages of hypothermia end up trying to enter small, enclosed spaces. This is called terminal burrowing, and is believed by researchers to be an autonomous process, controlled by the brain stem.