PROVIDENCE, R.I. [Brown University] -- Just before a surprise eruption of New Zealand's Ruapehu volcano in 2007, seismic tremor near its crater became tightly correlated with twice-monthly changes in ...
While most organisms have biological clocks synchronized with the day-night cycle (circadian rhythms), marine animals in tidal areas have also developed circatidal rhythms to align with the tidal ...
A hypothesis on the process of adaptation to the tidal environment in a freshwater snail. The circatidal rhythm is not expressed in nontidal individuals under natural conditions. In the early stage of ...
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