Earth science – Page 2
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ResearchFirst high-pressure synthesis of iron polymorph found at centre of Earth
Recreation of ε-iron backs up theories on why seismic waves travel faster pole-to-pole following an earthquake
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ResearchRecreation of Ediacaran ‘death masks’ offers chemical explanation for fossils’ formation
Discovery offers insight into why so many soft-bodied organisms were preserved during that period
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NewsUK’s first commercial lithium mine could supply two-thirds of the country’s needs by 2030
British Lithium and Imerys agree venture to exploit Cornish site thought to hold 161 million tonnes of lithium oxide
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NewsThe subterranean chemistry that explains India’s groundwater contamination
Complex interplay of factors has led to elevated levels of arsenic, uranium and fluoride in drinking water, making the country’s poorest citizens sick
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ResearchVolcanoes and meteorites may have delivered catalysts for life’s beginning
Iron-rich nanoparticles can catalyse conversion of CO2 to complex organic molecules
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FeatureThe lithium rush
Move over, gold; lithium is now the metal in global demand. Kit Chapman untangles the global politics around the sought-after resource
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ResearchBenin bronzes are made of German brass
Discovery casts new light on the west African artworks, which Nigeria has asked colonial countries to return
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ResearchZircon study prompts redox state rethink surrounding hydrothermal pools thought to harbour life’s first molecules
Research combining experiments with modelling suggests hydrothermal fluid was 30% as saline as sea water today and more oxidised than the surrounding mantle
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NewsResource conflict likely to expand as world heads into ‘low-cooperation era’
Critical metals such as cobalt and vanadium could be fought over in the near future, World Economic Forum report claims
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NewsOne year on from massive eruption in South Pacific, the atmosphere is still feeling the effects
Scientists make ‘once in a lifetime’ observations as Hunga Tonga volcano found to have warmed the planet
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OpinionMass spectrometry to catch Christmas tree thieves and timber traffickers
Forensic chemistry can help uncover pine pilfering and fiendish fir felling
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OpinionTwelve reasons for labs to go greener
How your lab can benefit from cutting energy, water and waste
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NewsCall for chemists to reorientate chemistry as a sustainability science
Chemists should take the lead to prevent the transgression of planetary boundaries
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NewsEU plots course to secure raw materials vital to a low-carbon economy
Russia’s war on Ukraine and the pandemic have highlighted the bloc’s dependence on unreliable suppliers
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FeatureSoil searching
Rachel Brazil talks to the scientists trying to understand – and improve – the health of the planet’s soil
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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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OpinionJames Lovelock, a gentleman scientist
Philip Ball reflects on the legacy of the creator of the Gaia hypothesis, who has died aged 103
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ResearchRadiation discovered to be a major overlooked source of natural gas generation in shales
Uranium and thorium may be responsible for producing a significant portion of hydrocarbons in some fracking wells
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FeatureThe secrets of the sulfur cycle
There’s still a lot we don’t know about the biogeochemical cycling of sulfur, and this could impact our ability to correctly model the climate. Rachel Brazil talks to the researchers trying to fill in the gaps.