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Light
Format: Book Describes the scientific and cultural value of the sky Illustrates the environmental damage of excess light Explains the relationship between astronomy and space technology Introduction This book takes a close look at our relationship with the sky, the stars, light and darkness. In particular, it examines how light pollution has interfered with the...
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Photo by National Cancer Institute on Unsplash The information in this article is not intended as medical advice, and should not be construed as such. Always consult with a suitably qualified medical practitioner. What has light got to do with breast cancer? –Light is a type of electromagnetic radiation. –Zeitgeber: The word zeitgeber derives from...
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Nash, T.R., Chow, E.S., Law, A.D. et al. Daily blue-light exposure shortens lifespan and causes brain neurodegeneration in Drosophila. npj Aging Mech Dis 5, 8 (2019). https://doi.org/10.1038/s41514-019-0038-6 Abstract Light is necessary for life, but prolonged exposure to artificial light is a matter of increasing health concern. Humans are exposed to increased amounts of light in the blue spectrum produced by light-emitting...
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Cohen JH, Last KS, Charpentier CL, Cottier F, Daase M, Hobbs L, et al. (2021) Photophysiological cycles in Arctic krill are entrained by weak midday twilight during the Polar Night. PLoS Biol 19(10): e3001413. https://doi.org/10.1371/journal.pbio.3001413 Abstract Light plays a fundamental role in the ecology of organisms in nearly all habitats on Earth and is central...
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Source: https://techxplore.com/news/2021-10-optical-power-portable-5g-base.html OCTOBER 7, 2021 by Bob Yirka , Tech Xplore Telecommunications company Ericsson has teamed up with a company called PowerLight Technologies to send power through the air to run a 5G base station. Both companies have posted the details on their respective websites. Consumers have already seen through-the-air power exchange in the form...
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Al-Naggar RA, Anil Sh. Artificial Light at Night and Cancer: Global Study. Asian Pac J Cancer Prev. 2016;17(10):4661-4664. Published 2016 Oct 1. doi:10.22034/apjcp.2016.17.10.4661 Abstract Background: Artificial light at night (ALAN) has been linked to increased risk of cancers in body sites like the breast and colorectum. However exposure of ALAN as an environmental risk factor and...
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In this month’s newsletter: Earn credits from a top accredited university: -Space is a global commons and a global resource; the essential human right to dark skies. Does NEPA apply in space? -Webinar information -Videos Newsletter https://mailchi.mp/emfsa/courses-light-magnetism-water-ehs
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Clarkson-Townsend DA, Bales KL, Hermetz KE, et al. Developmental chronodisruption alters placental signaling in mice. Plos one. 2021 ;16(8):e0255296. DOI: 10.1371/journal.pone.0255296. PMID: 34370755; PMCID: PMC8351967. Abstract Chronodisruption has been largely overlooked as a developmental exposure. The placenta, a conduit between the maternal and fetal environments, may relay circadian cues to the fetus. We have previously...
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Photo by Mohamed Nohassi on Unsplash Note: the webinar has been moved to Sunday, the 1st of August. Topic: Light in Practice -The Dutch Hacking Health Champion Solution Step-by-Step When: Sun Aug 1, 2021 3pm – 4pm (SAST) No cost – all are welcome to attend. Contact us at https://www.emfsa.co.za/contact/ for the link. Feel free to...
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Shuyi Shao, Huanqiang Zhao, Zhiying Lu, Xiaohong Lei, Ying Zhang, Circadian Rhythms Within the Female HPG Axis: From Physiology to Etiology, Endocrinology, Volume 162, Issue 8, August 2021, bqab117, https://doi.org/10.1210/endocr/bqab117 Abstract Declining female fertility has become a global health concern. It results partially from an abnormal circadian clock caused by unhealthy diet and sleep habits in modern...
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