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Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic ...

Circadian clocks, the biochemical oscillators that are controlled by the day–night cycle, have a central role in many biological processes. The mechanism underlying the earliest form of such ...

A Japanese research team has studied ancient timekeeping systems to better understand the circadian clock in modern cyanobacteria. The researchers compared the functions of ancestral Kai proteins with ...