Water – Page 4
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ResearchMars’ water came from outer space
Asteroids from the outer solar system would have delivered enough water to cover the red planet in a 300m-deep ocean
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ResearchMystery of speedy proton hopping in water unravelled
X-ray spectroscopy helps scientists understand how protons move in water
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NewsDramatic gulf between global PFAS guidelines and those in the US
The World Health Organization’s new drinking water guidance for PFOA and PFOS is thousands of times less stringent than the EPA’s
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BusinessMallinckrodt ordered to clean up US river mercury pollution
Firm must set at least $187 million in trust to pay for Penobscot river remediation
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ResearchCarbon-negative concrete blocks could be made using magnesium from seawater
Electrolyser route avoids need for calcination step
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ResearchPerseverance rover reveals rocks on Mars were repeatedly exposed to liquid water
Suite of analytical tools provides new insight into red planet’s geochemistry
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ResearchChemical decapitation renders PFAS harmless
An unexpected mechanism destroys persistent perfluorinated chemicals, though the method isn’t ready for the field yet
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BusinessChemours sues over US PFAS safety limit
Fluoropolymer maker appeals new safety standard for GenX, calling it ‘scientifically unsound’
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NewsWater companies’ pollution record in England described as criminal by Environment Agency
Body calls for prison sentences for failing chief executives and board members
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ResearchChiral molecules beat magnets when it comes to boosting water splitting
Decorating the catalyst with helicenes doubles the activity of the oxygen evolution reaction
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NewsFirst James Webb Space Telescope images provide taste of astrochemistry still to come
Observatory off to bright start revealing chemical make-up of the universe
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ResearchPolymer membrane could tap huge reserves of ‘blue energy’ from estuaries’ salt gradients
Solution to performance stalemate means tidal rivers’ vast electrochemical power could be harnessed
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ResearchTeflon-inspired nanochannels outperform biological water transporters
Extreme water repellence of fluorinated surfaces leads to unprecedented permeation rates
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OpinionWastewater has huge potential for global health
Monitoring programmes can help healthcare and empower communities
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FeatureThe human health observatory in our sewers
From tracking disease outbreaks to monitoring drug use, there’s a lot to be learned from the things we flush down the toilet, Katrina Krämer finds
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ResearchSunscreen’s coral-killing mechanism uncovered
Sea anemones and corals convert oxybenzone into phototoxic compounds
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OpinionBringing citizen science into school – and to the beach
A coastal project to contextualise concerns about pollutants and microplastics
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CareersMaking research environments more inclusive to deaf and hard of hearing students
Todd Pagano helps open up the world of chemistry for students at the National Technical Institute for the Deaf
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ResearchHigh school students design a bottle that turns seawater into drinking water
Mangrove trees inspire thermal and membrane-based desalination system