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TIL that there existed a tree swastika in a German forest that went unnoticed for nearly 60 years.

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PYDDZ TIL that from 1334 to 1827 graduates of Oxford and Cambridge were required to swear an oath that they would not lecture outside these two English universities, as a consequence there were no new universities established in England until Durham University became England's third university in 1832.
0wdAR Possibly. The trees-down (or “arboreal”) hypothesis has been around for many years, says evolutionary biologist Richard O. Prum of Yale University. Researchers guessed that the scales of tree-dwelling Triassic reptiles elongated into feathers, which helped them leap away from predators. Once the proto-birds could glide, they were en route to avian flight. “It was like one big, crazy hairball of ideas all stuck together,” Prum says.
WkZe9 TIL many fingerprint scanners won't recognize the fingerprint of a dead person, as dead people's skin does not have the electrical conductance needed for such fingerprint scanners to work.
Ooxv7 TIL: Callery Pear tree flowers smell like semen
v10E8 TIL Greenwich Mean Time is mean because Noon GMT is the annual average moment of the moment the Sun crosses the Greenwich meridian and reaches its highest point in the sky there. It is rarely the exact moment, and may occur up to 16 minutes before or after noon GMT.