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TIL the only known orca to regularly travel in the Gulf of Maine is a 30-ft male called Old Thom, who's sporadically been seen in it (often accompanied by a pod of dolphins) over the past 20 years. No one has ever reported seeing him with another orca; his solitary existence has perplexed scientists

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Y76pv TIL: That there is an area of the UK simply referred to as the "Black Country". It's said that the Black Country gained its name in the mid 19th century from the smoke from the many thousands of ironworks and forges. The term is used as a marketing tool to sell and promote the West Midlands.
78AQZ TIL of the Isochrone Curve - a shape with unique properties. If you drop two balls along the curve at different points, they will reach the midpoint at exactly the same time.
Ypglr TIL There are more Tigers in American backyards than in the wild
yQEGl TIL Red Bull has 3 "i" in in "Gives you wiiings" because of a consumer sued the company for false advertising.
vPMwr TIL Aretha Williams, was given up as a child and informally adopted by Bailey and Mary Jane Robinson. At 15, Aretha became pregnant by Bailey, her adoptive father, and gave birth to music legend Ray Charles. After divorcing Bailey, Mary Jane helped raise Ray alongside Aretha.