Low gravity in space travel found to weaken and disrupt normal rhythm in heart muscle cells https://phys.org/news/2024-09-gravity-space-weaken-disrupt-rhythm.html
Many species of sharks and rays, including both predators and plankton feeders, propel themselves out of the water. Reasons may include feeding, communications and removing parasites.
Scholars have debated whether the Holodomor famine in Ukraine (1932–1933) was intentionally targeted towards Ukrainians or inadvertent. New evidence shows that the famine was man-made and that the Stalin regime systematically targeted ethnic Ukrainians across the Soviet Union.
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What do they mean by low gravity? They are in the free fall.