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A 2010 review article discusses various published theories on this kind of signaling. [ 25 ] The hypothesis of cellular communication by biophotons was highly criticised for failing to explain how could cells detect photonic signals several orders of magnitude weaker than the natural background illumination.
UV-B lamps are lamps that emit a spectrum of ultraviolet light with wavelengths ranging from 290–320 nanometers. This spectrum is also commonly called the biological spectrum due to the human body's sensitivity to light of such a wavelength. [1] UV-B light does not tan the skin very much, compared to the UV-A lamps that are used in tanning beds.
YouTube announced that cumulative views of videos related to Minecraft, some of which had been on the platform as early as 2009, exceeded 1 trillion views on December 14, 2021, and was the most-watched video game content on the site.
Howling winds, cold temperatures and even the chance of heavy snow could be in store for many Americans across the country as they gather for their Thanksgiving feasts next week. Forecasters said ...
Annual Review of Marine Science: Bioluminescence in the Sea Canon Australia – Tips on How to Photograph Bioluminescence The New York City American Natural History Museum 's "Creatures of Light: Nature's Bioluminescence" 2022 Featured Exhibit (in concert with the Ottawa, Canada -based Canadian Museum of Nature and Chicago 's Field Museum of ...
Freshman Jacob Cofie had 16 points, Elijah Saunders scored nine of his 11 points in the second half and Virginia outlasted Campbell 65-56 on Wednesday night to begin the Ron Sanchez era. Sanchez ...
Elon Musk and Vivek Ramaswamy are starting a podcast — or “Dogecast” — to keep Americans updated on their progress running President-elect Donald Trump’s Department of Government Efficiency.
The UV dose is measured in light energy per area, i.e. radiant exposure or fluence. The fluence a microbe is exposed to is the product of the light intensity, i.e. irradiance and the time of exposure, according to: UV dose (μJ/cm 2) = UV intensity (μW/cm 2) × exposure time (seconds) [71]