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TIL The Earth’s magnetic felid can reverse itself, and has done so 183 times in the last 83 million years.

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nWJGW TIL Michelle Kunimoto discovered dozens of planets while an undergraduate and Ph.D. student at age 26. She uses publicly available data collected by NASA’s Kepler Mission and studied them in a new, more sensitive way to find signals of planets that Kepler had missed
wL9aW TIL that 2nd-century Roman artifacts were found at an archaeological site in Óc Eo in the Mekong delta area of southern Vietnam. It's likely that this is the Asian city known to the Romans as Cattigara.
JYMDV TIL that over 25% of irrigated land in the US uses groundwater from the Ogallala Aquifer. Since large-scale agricultural extraction began in 1950, its size has been reduced by nearly 10%. Once depleted, it will take 6,000 years for the aquifer to replenish.
N761E TIL that the claw part of a hammer is also called the peen.
698o8 TIL that Delaware and Maryland are considered to be Southern States by the U.S. Census Bureau