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A study analyzes the risk of karst groundwater contamination to human consumption

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IMAGE: Fluorescent innocuous organic substances used as testing techniques to simulate the trajectory followed by a pollutant.
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Credit: University of Malaga
Led by Professor Andreas Hartmann, from the University of Freiburg (Germany), the researchers analyzed the presence of several pollutants in water from many karst aquifers of Europe, North Africa, and the Middle East, relating fast infiltration processes to an increased concentration of these substances. The findings of this research are published in the scientific journal
Proceedings of the National Academy of Sciences (PNAS).
This way, they warn that during rainfall events -when aquifers recharge, especially during autumn rainfall- the concentration of pollutants and pathogenic microorganisms can significantly exceed the safe levels, causing serious consequences for human consumption. ....

Andreas Hartmann , Proceedings Of The National Academy Sciences , University Of Freiburg Germany , Professor Andreas Hartmann , North Africa , Middle East , National Academy , External Geodynamics , Fertilizers Pest Management , Weather Storms , Earth Science , Hydrology Water Resources , Climate Change , ஆண்ட்ரியாஸ் ஹார்ட்மேன் , நடுத்தர கிழக்கு , தேசிய கலைக்கழகம் , உரங்கள் பூச்சி மேலாண்மை ,

Pollen-sized technology protects bees from deadly insecticides

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IMAGE: A Beemmunity employee, Abraham McCauley, applies a pollen patty containing microsponges to a hive as part of colony trials.
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Credit: Nathan Reid
ITHACA, N.Y. - A Cornell University-developed technology provides beekeepers, consumers and farmers with an antidote for deadly pesticides, which kill wild bees and cause beekeepers to lose around a third of their hives every year on average.
An early version of the technology ¬- which detoxified a widely-used group of insecticides called organophosphates - is described in a new study, Pollen-Inspired Enzymatic Microparticles to Reduce Organophosphate Toxicity in Managed Pollinators, published in
Nature Food. The antidote delivery method has now been adapted to effectively protect bees from all insecticides, and has inspired a new company, Beemmunity, based in New York state. ....

New York , United States , New Jersey , Minglin Ma , Jing Chen , Jin Kim Montclare , Scott Mcart , James Webb , Cornell Center , National Institutes Of Health , Life Sciences , College Of Agriculture , Technology Licensing , National Science Foundation , York University Tandon School Of Engineering , Cornell University Developed , Inspired Enzymatic Microparticles , Reduce Organophosphate Toxicity , Managed Pollinators , Environmental Engineering , Kim Montclare , New York University , Tandon School , National Institute , National Institutes , National Science ,

Raised buildings may help reduce malaria transmission in Africa

Using four experimental houses, researchers in Africa found that the number of female malaria mosquitoes collected in huts declined with increasing height, decreasing progressively as the hut s floor moved further from the ground. ....

United Kingdom , Steve Lindsay , Steve Linday , Durham University Phd Student Ms Majo Carrasco Tenezaca , Communications Office , Qs World University Rankings , Research Council Unit , Durham University , Royal Danish Academy , United Nations , World Health Organisation , Journal Of The Royal Society Interface , Guardian University , Durham University Department Of Biosciences , London School Of Hygiene , Durham University Marketing , Department Of Biosciences , Times Good University , Russell Group , Saharan Africa , Royal Society , Professor Steve Lindsay , Durham University Department , Medical Research Council , Unit The Gambia , London School ,

Surge in nitrogen has turned sargassum into the world's largest harmful algal bloom

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VIDEO: Sargassum, floating brown seaweed, have grown in low nutrient waters of the North Atlantic Ocean for centuries. Scientists have discovered dramatic changes in the chemistry and composition of Sargassum, transforming.
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Credit: Brian Lapointe, Ph.D.
For centuries, pelagic Sargassum, floating brown seaweed, have grown in low nutrient waters of the North Atlantic Ocean, supported by natural nutrient sources like excretions from fishes and invertebrates, upwelling and nitrogen fixation. Using a unique historical baseline from the 1980s and comparing it to samples collected since 2010, researchers from Florida Atlantic University s Harbor Branch Oceanographic Institute and collaborators have discovered dramatic changes in the chemistry and composition of Sargassum, transforming this vibrant living organism into a toxic dead zone. ....

United States , Gulf Of Mexico , Oceans General , University Of South Florida , South Africa , Florida Bay , Sargasso Sea , Florida Atlantic University , Looe Key , Florida State University , Florida Keys , University Of Southern Mississippi , Rachel Brewton , Brian Lapointe , Peter Morton , Dennis Mcgillicuddy Jr , Scott Lindell , Frankj Hernandez , Atlantic Ocean , Laura Herren , Mengqui Wang , Ecological Forecast Program , Division Of Coastal Sciences , Nature Communications , Department Of Earth , Harbor Branch ,

Pollutants rapidly seeping into drinking water

Contamination risk of groundwater in karst regions is higher than previously believed ....

Andreas Hartmann , German Research Foundation , Proceedings Of The National Academy Sciences , University Of Freiburg , Emmy Noether Programme , Junior Professor , Hydrological Modeling , Water Resources , North Africa , National Academy , Water Stress , Karst Regions , Changing World , Fertilizers Pest Management , Pollution Remediation , Earth Science , Hydrology Water Resources , ஆண்ட்ரியாஸ் ஹார்ட்மேன் , ஜெர்மன் ஆராய்ச்சி அடித்தளம் , ஜூனியர் ப்ரொஃபெஸர் , தண்ணீர் வளங்கள் , தேசிய கலைக்கழகம் , தண்ணீர் மன அழுத்தம் , கார்ட் பகுதிகள் , மாறுகிறது உலகம் , உரங்கள் பூச்சி மேலாண்மை ,