While vaccine hesitancy remains an ongoing public health issue, claims have begun circulating on social media that the COVID-19 vaccine contains living creatures called hydras – small, tentacled, ...
With lifespans stretching far beyond human comprehension, creatures like the hydra, Greenland shark and Aldabra tortoise don’t experience the urgency of time that fast-living species do. There are ...
Hydra species, freshwater cnidarians, are one of the few groups of animals with no defined aging. The longest studies to date (~8 years) observed no increase in mortality rate, or decrease in ...
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