This paper was sent to me by Hans Geesink. Here's the abstract: Abstract. The origin of biological rhythms—from the heartbeat to circadian cycles—remains an open question in systems biology. Denis Noble has argued that the genomedoes not encode a “master clock,” yet organisms exhibit coherent peri...

. An Overview of Cycles," Ray Tomes and David Katzmire discuss how recurring patterns govern nature, science, and human activity: Core Concept & Mechanics: A cycle is a repetition of an event over a regular or semi-regular interval. Most cycles operate like simple harmonic motion (a swinging pe...

Monthly round-up post Cycles News Round-Up — August 2026 This month's scan across Scientific Cycles, Market Cycles, and cross-cutting categories turned up five items with a stated or measured period. As always, most categories were quiet — that's expected, not a gap in the search. Geology &am...

The 1.11 Million Year Cycle in Earth's Magnetic Reversals What the experts say The official position, stated plainly on the USGS geomagnetism FAQ, is that magnetic reversals show no periodicity at all — they are described as random events, occurring at irregular intervals with no discernible patte...