All Earth articles – Page 19
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         Research ResearchBreast milk analysis detects both legacy and emerging fluorinated compoundsPrevious focus on legacy substances may have severely underestimated overall exposure of breastfed infants to PFASs 
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         Research ResearchSeeding oceans with volcanic ash could be new tool to tackle climate changeTephra could encourage phytoplankton blooms that could potentially sequester huge amounts of carbon dioxide 
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         Research ResearchLiquid hydrogen rethink has astronomical implicationsMachine learning simulates smooth transition between states, which could affect giant planets 
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         Feature FeatureThe drive to recycle lithium-ion batteriesElectric vehicles are surging in popularity but Patrick Hughes asks what happens once their batteries are no longer fit for purpose 
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         News NewsPFAS incineration study cancelled by US environment agencyHead of the Environmental Protection Agency blames move on former employee 
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         Research ResearchNoble metals dissolved without aqua regiaDecades-old study inspires acidic salt solutions for recovering gold and platinum group metals from catalytic waste 
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         Research ResearchOptions expanded for origin of Earth’s waterEnstatite chondrite meteroites contain enough hydrogen to have supplied three to five times the total mass of water in Earth’s oceans 
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         Research ResearchDesigner plastic can be recycled over and over againBicyclic thiolactone building block makes for high-quality polymers with chemical recyclability 
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         News NewsEPA rescinds methane emissions reduction ruleObama-era regulations have been rolled back at the EPA, to the chagrin of some big oil firms and environmental groups 
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         News NewsRecalibration is the biggest shake-up in the carbon dating world for seven yearsOverhaul will improve accuracy and push back how far samples can be dated by 5000 years 
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         News NewsEPA settles Gold King mine disaster five years laterUtah state will receive $220 million as part of settlement over 2015 accident that spilled toxic waste into waterways 
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         Business BusinessQuestions surround deadly Beirut blastAmmonium nitrate explosion that killed at least 135 appears to have been caused by poorly-stored cargo from an abandoned vessel 
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         News NewsPerseverance rover’s suite of chemical tools will search for signs of ancient life on MarsUpgraded probe is better equipped to investigate the red planet 
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         Business BusinessDeadly Indian incidents highlight relaxed regulationsConcern over human and environmental cost of reforms aimed at ease of doing business 
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         Business BusinessAppeals court cuts damages further in glyphosate cancer caseJudgment retains verdict that Bayer-Monsanto’s herbicide caused US man’s cancer 
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         Opinion OpinionLooking beyond the next waveWe need to apply lessons from Covid-19 to tackle antimicrobial resistance and climate change 
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         Feature FeatureThe complex chemistry of fireDespite its ubiquity in human life, chemists have still barely unlocked what’s happening amid the flames. Kit Chapman reports 
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         Research ResearchHow the products of fire control the formation of snowNadine Borduas-Dedekind brings an organic chemist’s arrow-pushing insight to reactions in the atmosphere