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TiL that the spiral shell of a Nautilus cephalopod isn't full of its body, but a system of air chambers that act like buoyancy chambers on a submarine!

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vPE48 TIL: Pieces of Africa are embedded in the southeastern United States
oywE TIL that in a gesture of solidarity with the starving troops in Stalingrad, the german commander, Kurt Zeitzler reduced his own rations to their level. After 2 weeks he had lost 26 pounds.
l75xK TIL Cornell's Elephant Listening Project records and analyzes forest elephant calls to better understand where they are, what they’re doing, and what they’re trying to tell us.
Zpaa4 TIL: About a company that is genetically engineering poplar trees (already fast-growing, asexually spreading trees) to reduce their energy needs by adding metabolic genes from pumpkins and algae. The engineered trees grow 1.5x than controls. They've planted 600 trees in Oregon and plan to do more.
b9j4j TIL President Warren G. Harding once gambled away the entire White House china set in a card game