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133

TIL Hippos sleep underwater and rise to breathe every few minutes without waking.

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16kw7 TIL 'zombie fires' are fires that burned during the summer, stay underground all winter long and pop up above the surface again in the spring.
0da7M TIL that by releasing a massive bolt of electricity, lightning is five times hotter than the sun when it strikes. But the average lightning strike lasts only 30 microseconds.
gMyEW TIL that software bugs in a radiation therapy machine were responsible for killing 3 people with high doses of radiation
D1Z4j TIL after Stephen Hillenburg, the creator of SpongeBob Squarepants, graduated high school he worked as a fry cook during summers at a restaurant in Islesford, Maine known as Islesford Dock Restaurant. The restaurant would later be the inspiration for the Krusty Krab in the show.
KLJ TIL the Coriolis Effect can be visualized on a merry-go-round aka roundabout, by throwing a ball to a fellow rider directly across from you. To him it will appear to curve opposite of the way you are spinning, although to a viewer not on the merry-go-round it appears to fly straight.