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TIL the reason dogs spin around before laying down is a ritualistic behavior passed down from their wild ancestry in which doing so would tamp down the grass to create a bed

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8aBeV There are a handful of people who are born into this world without fingerprints. The technical term for the condition is adermatoglyphia, dubbed 'immigration delay disease,' and for years, it wasn't known what caused the phenomenon. A couple of years ago, dermatologists found that the disease was related to a genetic mutation.
v1xg8 TIL African American architect Paul Williams learned to draw upside down because white clients were uncomfortable sitting next to a black man. He practiced mostly in Southern California and designed the homes of numerous celebrities, including Frank Sinatra, Lucille Ball and Desi Arnaz, Lon Chaney
XEMDD TIL that 350 years ago, Robert Boyle wrote down a ‘to-do list’ of fantastical things he hoped science would one day acomplish. We’re over half way there.
XEj0R TIL feedback loops in Systems Theory. An example of feeback loops are birth rates( a reinforcing loop) and death rate( a balancing loop) all of which act on a giving population. Reinforcing loops enhance what is already existent( like a good investment) and balancing loops level things out.
XZ7k TIL a species of tiger moths effectively jams bats’ echolocation by producing up to 4,500 clicks per second. This jamming is the most effective prey defense against bats ever documented, reducing their success rate tenfold.