Earth science – Page 7
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NewsThiocyanate detector aims to end illegal cyanide fishing
A new sensor could identify whether fish were caught using a dangerous and illegal technique
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NewsCountries poised to roll out deep sea mining in new 'gold rush'
Tests underway on extracting resources from the ocean floor to meet the world’s growing hunger for metals
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![Simonkolleite [Zn5(OH)8Cl2·H2O] is an anthropogenic mineral - Index](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/7/9/9/114799_Cataloguing-minerals-of-the-anthropocene---Simonkolleite---Index.jpg)
ResearchHuman-made minerals add to evidence for Anthropocene epoch
List of minerals that form either directly or indirectly as a result of humanity’s activities offers insights into our impact on Earth’s geology
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ResearchBiochar takes the pharmaceuticals out of urine
Method for cleansing waste urine could see it used as a fertiliser
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ResearchOcean chemistry changes triggered Earth's greatest extinction event
The Great Dying 250 million years ago has its roots in the intrusion of deadly sulfide rich waters into oxygenated shallows with lessons for today
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ResearchTheory of crack networks helps understand paint ageing
New model could benefit art conservators and geologists
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OpinionThe global dangers of melting permafrost
Russia’s thawing permafrost risks global warming, disease and ‘megaslumps’
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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