zeitgeber
n.— «Light and temperature are the only periodic or quasi-periodic environmental variables to which endogenous oscillation can be coupled: in nature they entrain the endogenous oscillation, thereby controlling period and establishing appropriate phase. They are, to use Aschoff’s phrase, the principal Zeitgeber.» —“On the Significance of Transients in Daily Rhythms” by Colin Pittendrigh, Victor Bruce, Peter Kaus Proceedings of the Natl. Acad. of Sciences (US) Sept. 15, 1958. (source: Double-Tongued Dictionary)
Further reading
Eels, orts, and Wordle! Sweden awarded its most prestigious literary award to a book about…eels. The Book of Eels reveals the mysterious life cycle of this sea creature and its significance for famous figures from Aristotle to Sigmund Freud. Plus...
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