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10/15/2020
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By Divina Ramirez
New super-enzyme “eats” plastic six times faster
Scientists have created a super-enzyme that can degrade plastic bottles up to six times faster than a previously discovered plastic-eating enzyme. The synergistic enzyme “cocktail” combines PETase and MHETase. These enzymes are produced by Ideonella sakaiensis, a bacterium that has evolved the ability to eat polyethylene terephthalate (PET), a strong, synthetic fiber used in creating plastic […]
10/14/2020
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By Divina Ramirez
Eco-disaster unfolding on Russian beach with mass death of marine life
Local authorities have closed off a black volcanic beach on the Kamchatka Peninsula in the Russian Far East after surfers fell sick and scores of sea creatures washed up dead along its shores. The unfolding “eco-disaster” started three weeks ago when surfers complained of nausea, headaches, rashes, fever and sore throats after getting in the […]
10/08/2020
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By Evangelyn Rodriguez
How do bacteria populations travel through soil layers?
Soil bacteria are important components of the ecosystem. They help improve soil structure and aggregation, as well as recycle soil nutrients and water. Soil bacteria also serve as decomposers that consume carbon compounds and provide large quantities of nitrogen to plants. Nitrogen is a major component of chlorophyll and is essential for the production of amino acids, which […]
10/05/2020
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By Virgilio Marin
Car tires a major source of microplastics in California coastal waters, warn scientists
A recent study found that the tires of cars, trucks and other vehicles may be shedding rubber particles that eventually get washed away by stormwater, contributing to trillions of pieces of microplastic particles in California’s coastal waters. An international group of researchers made an inventory of microplastic sources to identify all the ways these plastic pollutants are getting into the San Francisco Bay. They […]
09/30/2020
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By Virgilio Marin
New all-time coldest temperature in the Northern Hemisphere is actually from nearly 30 years ago
A temperature reading from nearly three decades ago is now recognized as the lowest recorded temperature in the Northern Hemisphere. The World Meteorological Organization (WMO), the climate-related wing of the United Nations, confirmed the new record of -93.3 F, which was logged in Greenland on Dec. 22, 1991. The reading was only acknowledged decades later thanks to a group of “climate detectives” […]
09/25/2020
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By Divina Ramirez
Wildfire plumes worldwide are contributing to ozone pollution and harming air quality
Wildfire smoke contains different trace gases, aerosols and compounds that can affect both human health and the environment. One such compound, called nitrous acid, is often underrepresented in atmospheric models despite its role in air pollution. But a new report is changing that. Scientists from the University of Colorado Boulder (CU Boulder) and the Royal Belgian Institute for […]
09/23/2020
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By Evangelyn Rodriguez
Organic potatoes contain more microelements that are often deficient in soil
Foods grown using organic farming methods are said to be healthier than foods grown using conventional means. One of the advantages that organic produce has over conventional produce is that they are free of harmful chemicals, which are used in conventional farming to nourish crops and control pests and weeds. Organic farming is also believed to increase […]
09/22/2020
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By Evangelyn Rodriguez
Researchers take a closer look at the migration of heavy metals from soil to rice in China
Soil and water contaminants like pesticides and heavy metals build up in living organisms. Known as bioaccumulation, this usually affects aquatic animals and plants used for food. The bioaccumulation of heavy metals in crops is a hot topic among scientists because of the threat they pose to human health. Besides having toxic effects, some metals are […]
09/18/2020
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By Evangelyn Rodriguez
Bacterial populations use seepage water to travel between the surface and subsoils
In this study, German researchers investigated the mobilization of certain bacterial populations present in the soil after dynamic hydraulic events. Their findings were published in the journal Soil Biology and Biochemistry. During extreme precipitation events, substantial amounts of organic matter are mobilized, resulting in fluxes in carbon from the topsoil to deeper mineral soil and groundwater. […]
09/13/2020
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By Virgilio Marin
An unlikely threat to oceans: Delicate wash cycles on washing machines release tons of microplastic fibers into waterways
The delicate wash cycle in washing machines may not be so delicate after all: Recent research found that delicate wash cycles shed more microfibers than ordinary spin cycles. Researchers from Newcastle University partnered with Proctor & Gamble to test the effects of various variables such as temperature and water volume on microfiber shedding. They found that the greater […]
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