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How plankton hold secrets to preventing pandemics
IMAGE: A zooplankton (Daphnia dentifera) infected by the fungal parasite Metschnikowia bicuspidate. The microscopic fungal spores filling the body as visible as black fuzzy spots.
Image:
Tara Stewart Merrill
Whether it s plankton exposed to parasites or people exposed to pathogens, a host s initial immune response plays an integral role in determining whether infection occurs and to what degree it spreads within a population, new University of Colorado Boulder research suggests.
The findings, published May 13 in The American Naturalist, provide valuable insight for understanding and preventing the transmission of disease within and between animal species. From parasitic flatworms transmitted by snails into humans in developing nations, to zoonotic spillover events from mammals and insects to humans which have caused global pandemics like COVID-19 and West Nile virus an infected creature s immune response is a vital variable to
At night in southern Africa, primates called bushbabies emit spooky vocalizations that sound a like crying children. What may be even spookier is the possible future facing these adorable creatures.
May 17, 2021
Have you ever worn a dark T-shirt on a sunny day and felt the fabric warm in the Sun’s rays? Most of us know dark colors absorb sunlight and light colors reflect it – but did you know this doesn’t work the same way in the Sun’s non-visible wavelengths?
The Sun is Earth’s power source, and it emits energy as visible sunlight, ultraviolet radiation (shorter wavelengths), and near-infrared radiation, which we feel as heat (longer wavelengths). Visible light reflects off light-colored surfaces like snow and ice, while darker surfaces like forests or oceans absorb it.
This reflectivity, called albedo, is one key way Earth regulates its temperature – if Earth absorbs more energy than it reflects, it gets warmer, and if it reflects more than it absorbs, it gets cooler.