Regeneration: basic research on living systems, not technology.
A tiny freshwater polyp whose risk of dying does not rise with age.
Only what the cited papers report.
Values as stated in the cited paper's abstract.
| Property | Value | Source |
|---|---|---|
| Animals observed | 2,256 | Schaible 2015 |
| Observation-days | >3.9 million | Schaible 2015 |
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Martínez followed three Hydra cohorts for four years and found no evidence of aging in mortality or reproduction.
As reported in: Martı́nez (1998). Mortality Patterns Suggest Lack of Senescence in Hydra. Experimental Gerontology. doi:10.1016/S0531-5565(97)00113-7
Abstract only
Schaible and colleagues tracked 2,256 Hydra over 3.9 million observation-days and found extremely low, constant mortality and no systematic decline in fertility with age.
As reported in: Schaible, Scheuerlein, Dańko et al. (2015). Constant mortality and fertility over age in Hydra. Proceedings of the National Academy of Sciences. doi:10.1073/pnas.1521002112