Natural environment – Page 3
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ResearchSolo palladium in catalytic copper alloy reduces nitric oxide from vehicle exhausts
First system to work at low temperatures that doesn’t generate nitrous oxide
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Research
Uranium isotopes in ancient grains indicate early Earth was less hellish than textbook descriptions
Mass spectrometry technique that works on tiny samples refines understanding of Earth’s first geologic eon
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Research
Engineered cyanobacteria turn carbon dioxide into petrol substitute
Strategy transforms wild photosynthetic organism into a system that could reduce humanity’s reliance on fossil fuels
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Research
Nanotube catalysts spring into action on microplastic waste
Helical carbon nanotubes activate an oxidant that produces polymer-degrading free radicals
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Research
Corrections promise more accurate CO2 measurements from space
Improvements to cavity ring-down spectroscopy could also benefit quantum science
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Research
Sinking wastewater from oilfields could be causing stronger earthquakes
Effects can continue for over a decade after disposal ends
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Research
Catalyst metal recovery adds greener notes to whisky production
Bacteria harnessed to make magnetite nanoparticles that can trap copper for click reactions
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2D synthetic clay sheets could create easy to recycle crisp packets
Alternative to metal-coated plastics possible thanks to new environmentally-friendly synthesis
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Helicopter NMR prepares to detect Arctic oil spills
ExxonMobil-funded project readies giant airborne coil for accidents as shipping lanes open up
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C–H fluoroalkylation tackles plastic waste
Photocatalytic method that upcycles aromatic polymers could breathe new life into rubbish
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China identified as source of unexpected rise in CFC emissions
New production believed to be responsible for increasing levels of outlawed ozone-depleting chemical
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Research
Minty-fresh solvent for sustainable cross-couplings
Eucalyptol could replace diethyl ether, DMF, THF and toluene in many synthetic reactions
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Research
Bizarre ice XVIII is an oxygen ion crystal swimming in a sea of protons
High pressure superionic form of water may hold clues to behaviour of giant icy planets in our solar system
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Research
Putting water in a spin harnesses proton magnetism
Exceptionally high rotation speed NMR measures the nuclear Barnett effect
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Hippo dung drives savannah silicon cycle
Eating silicon-rich grass on land and spreading dung in rivers provides vital nutrients for microscopic diatoms
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Research
Converting waste plastic bottles into jet fuel
Simple three-step process generates minimal waste and diverts plastic from landfill
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Water found in asteroid dust collected by Japan's Hayabusa probe
Scientists calculate that half of the water on Earth could have been delivered by meteorites
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Research
New family of polymers can be easily recycled and even upcycled
Dynamic covalent bonds means polymers can be taken apart by acid
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Research
Cutting ammonia pollution may lead to more acid rain in China
Any effort to target ammonia should aim to reduce sulfur dioxide pollution at the same time
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Ligand selector steers C–N cross-couplings down most sustainable path
Tool is step towards strategy that considers reagents and reactants above and below the arrow
