› added 10 months ago

62

TIL Sloths "Scissor" when they have sex

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VBBED TIL about "doubling"—a method of multiplication devised by the ancient Egyptians that required only the abilities to multiply and divide by 2 and to add. This method is still in wide use today as implemented by binary multiplier circuits in modern computer processors.
BgMBk TIL that the red lights on top of tall buildings in cities are called “aviation obstruction lighting,” and are used to help pilots of low-flying aircraft avoid collisions with otherwise hard-to-see structures.
l7xgB TIL Joseph Son (Oddball from Austin Powers) had to submit a DNA test after violating probation for vandalism, was discovered to be a missing suspect in a SA, then murdered his S offender cellmate.
8aDyV TIL resident killer whales in the eastern North Pacific form matrilineal social groups, consisting of the eldest female, her children, and the descendants of her daughters. Closely related matrilines with similar dialects form aggregations called pods, which in turn form clans and communities.
QJbnX TIL Most dinosaurs are discovered from a single tooth or bone. Complete skeletons are extremely rare, and although there are a few T.Rex skeletons that are nearly complete, humans have never collected or seen a complete T.Rex skeleton.