Earth science – Page 8
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NewsUS urged to address helium cost increases
Scientific societies are calling on the US government to safeguard researcher access to affordable liquid helium
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ResearchPrimitive microbe may offer a hotbed of methane
Microbe digests complex compounds from coal and turns them into methane
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ResearchSoil sponge soaking up far less carbon dioxide than expected
Geochemistry experiments suggest the climate might warm more than current models suggest
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NewsSerious shortage of medical isotopes predicted by year’s end
US National Academies warns that ‘severe’ shortages of molybdenum-99 and technetium-99m are likely
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BusinessFertiliser firms Agrium and PotashCorp to merge
Canadian combination will create one of the largest crop nutrient companies in the world.
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NewsLack of critical elements could stymie India’s growth
Dependence on imports will make moving to a high-tech manufacturing economy more difficult
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ResearchNaturally occurring MOFs found in coal mine minerals
Rare minerals overturn conventional wisdom that metal–organic frameworks are only found in the lab
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ResearchMystery of black blotches on Smithsonian museum cleared up
Discolouration of iconic Washington, DC, building’s red stone is all down to a manganese oxide-rich rock varnish
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ResearchGreenland shark is world's longest lived vertebrate
Radiocarbon dating reveals elusive Arctic sharks could live to more than 400-years-old
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OpinionA new source of helium is good news for science
Success prospecting for helium shouldn’t halt efforts to conserve and recover this vital scientific resource
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FeatureExplosive science
Nina Notman learns the role chemistry plays in monitoring volcanoes and understanding the impact of their eruptions
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NewsScientists unearth one of world’s largest helium gas deposits
A new approach to helium recovery should take the guesswork out of finding this vital medical resource
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ResearchGreenland ice sheet recoups subliming water vapour
Newly discovered part of the water cycle acts to conserve sheet mass
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ResearchEarthly xenon’s asteroid origins reveal planet’s genesis
Discovery that atmospheric xenon is unrelated to that in the mantle hints at two separate extra-terrestrial ‘deliveries’ of the element
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OpinionCutting the science travel footprint
Scientists should think about their own carbon footprint if they want to inspire public action on climate change, says Stuart Capstick
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NewsThousands of pollinators at risk of extinction
Global assessment says pesticides are partly to blame for endangering bees and other pollinators
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OpinionRare earth magnates
China’s monopoly on production has a global impact, argues David Abraham