Unproven proposal of influence of lunar cycle on terrestrial creatures
Biologists as well as artists and poets have long thought about the Moon's influence on living creatures.
The lunar effect is a purported correlation between specific stages of the roughly 29.5-day lunar cycle and behavior and physiological changes in living beings on Earth, including humans. A considerable number of studies have examined the effect on humans. By the late 1980s, there were at least 40 published studies on the purported lunar-lunacy connection,[1] and at least 20 published studies on the purported lunar-birthrate connection.[2] Literature reviews and metanalyses have found no correlation between the lunar cycle and human biology or behavior.[1][2][3][4] In cases such as the approximately monthly cycle of menstruation in humans (but not other mammals), the coincidence in timing reflects no known lunar influence. The widespread and persistent beliefs about the influence of the Moon may depend on illusory correlation – the perception of an association that does not in fact exist.[5]
In a number of marine animals, there is stronger evidence for the effects of lunar cycles. Observed effects relating to reproductive synchrony may depend on external cues relating to the presence or amount of moonlight. Corals contain light-sensitive cryptochromes, proteins that are sensitive to different levels of light. Coral species such as Dipsastraea speciosa tend to synchronize spawning in the evening or night, around the last quarter moon of the lunar cycle. In Dipsastraea speciosa, a period of darkness between sunset and moonrise appears to be a trigger for synchronized spawning. Another marine animal, the bristle worm Platynereis dumerilii, spawns a few days after a full moon. It contains a protein with light-absorbing flavin structures that differentially detect moonlight and sunlight. It is used as a model for studying the biological mechanisms of marine lunar cycles.[6][7][8]
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^Lilienfeld, Scott O.; Arkowitz, Hal (2009). "Lunacy and the Full Moon". Scientific American Mind. 20 (1): 64–65. doi:10.1038/scientificamericanmind0209-64. ISSN 1555-2284.
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The lunareffect is a purported correlation between specific stages of the roughly 29.5-day lunar cycle and behavior and physiological changes in living...
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The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective. This occurs when Earth is located between the Sun and...
of space exploration Lunar basalt 70017 Lunar calendar Lunisolar calendar Craters named after people Double planet Lunareffect Man in the Moon Memorials...
System portal Airglow Daylight Diffuse reflection Earthlight (astronomy) Lunareffect Scotobiology Starlight Night in paintings (Western art) Night in paintings...
lighting, the society met on or near the night of the full moon. Bedlam Lunareffect History of psychiatry History of psychiatric institutions Great Britain...
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appearance of the dark areas (known as lunar maria) and the lighter-colored highlands (and some lowlands) of the lunar surface. There are various explanations...
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Earth from space List of notable images of Earth from space Lunar phase Overview effect Pale Blue Dot Pale Orange Dot (Early Earth) Planetary phase The...
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