Natural environment – Page 6
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A glimpse at alien volcanoes that spew metal
Hypothetical ferrovolcanoes explored with world’s only lava flow simulator
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Photocatalytic process picks out precious metals from waste electronics
Silver, gold, platinum and palladium can be retrieved sequentially from circuit boards and catalytic convertors
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High performance fabric that can be made from plastic bags could slash fashion’s huge emissions
Polyethylene yarn can create clothes that are stain resistant, cool the wearer and are simple to recycle
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Photosensitive monomer allows polyurethanes to be degraded by light
Polymer designed to have a cleaving point after every second monomer unit
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Newly identified greenhouse gas with no known use an ‘early warning’
Montreal Protocol doesn’t sufficiently control harmful by-products made during other chemical production processes, say atmospheric scientists
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Catalyst turns mixed plastic waste into natural gas
Swiss researchers are now scaling-up the technology
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Atmospheric chemistry discovery could help Indian cities clear away the haze
High local HCl concentrations found to boost haze and fog formation in Delhi and Chennai
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Electric fields deep in Earth’s mantle helps diamond crystallise
Electrochemical experiments under extreme conditions show diamonds forming from molten carbonate rocks
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Mechanochemical oxidation turns a profit from battery recycling
New lithium extraction method follows principles of green chemistry
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Tyre compound driving mystery salmon deaths identified after years of chemical detective work
Previously unknown substance washes from roads to spawning streams – and likely has wide impact on aquatic ecosystems
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Snail slime central to sustainable strategy for making wound-healing gold nanoparticles
Nanoparticles made using mucus could be developed into acne treatments
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Ancient Maya communities were first to use zeolite to purify water
2000 years ago, people in Tikal were using the world’s most advanced water purification systems
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Active volcano’s carbon emissions sampled by drones
Volcanic gas monitoring could help to predict future eruptions and understand the impacts of climate change
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First definitive proof of water on the moon
Ice could be a resource for future lunar missions
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Super-cool study finds hints as to why water is so weird
Preventing complete freezing down to 135K supports theories suggesting a two-state mixture exists
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Aluminium–nitrogen batteries offer alternative ammonia synthesis
Battery simultaneously stores energy and harnesses nitrogen to produce aluminium nitride
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Noble metals dissolved without aqua regia
Decades-old study inspires acidic salt solutions for recovering gold and platinum group metals from catalytic waste
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Options expanded for origin of Earth’s water
Enstatite 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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Designer plastic can be recycled over and over again
Bicyclic thiolactone building block makes for high-quality polymers with chemical recyclability
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How the products of fire control the formation of snow
Nadine Borduas-Dedekind brings an organic chemist’s arrow-pushing insight to reactions in the atmosphere