› added 10 years ago

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TIL Greyhounds have a 270-degree range of vision. They can see objects behind them and over ½ mile in front of them.

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Z81OB TIL about Operation Sandblast, the first submerged circumnavigation of the world in 1960, which took 60 days and 21 hours to complete. They generally followed the same path used by Ferdinand Magellan in the first circumnavigation of the world in 1519.
Y7MvZ Today I learned about prosopagnosia, a condition which inhibits/removes your ability to distinguish people based on their facial features and expressions, even loved ones and relatives.
RVo9 TIL that the fact that most dust is formed of dead skin cells is a myth. Most of it is just animal dander, sand, insect waste, flour, and of course lots of good, old-fashioned dirt.
OGaLR TIL recent research shows the demodex mite, which lives on most humans' skin, has an anus. Contradicting earlier findings.
7bOb TIL of Johnathan R Davis who, in a well documented incident, single-handedly killed 11 armed bandits who ambushed him in 1854. He killed 7 while dual-wielding revolvers, and then finished the remaining 4 with a Bowie knife. He sustained only 2 slight flesh wounds.