Earth science – Page 4
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ResearchElectric 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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Business4 dead in UK sewage treatment works explosion
One person injured as biosolids silo explodes at Avonmouth
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ResearchActive 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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PodcastOxybenzone
This summer’s extreme weather prompts Katrina Krämer to investigate the history of sunblock and the ingredient blamed by some for bleaching coral reefs
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NewsRecalibration is the biggest shake-up in the carbon dating world for seven years
Overhaul will improve accuracy and push back how far samples can be dated by 5000 years
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PodcastTannic acid
Tannic acid in green acorns can kill wild animals and livestock, but you can prevent poisoning with pannage pigs
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ResearchMineral map hopes to end concrete that has damaged thousands of US homes
Concrete containing pyrrhotite can disintegrate on exposure to air and water
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FeatureDo asteroids hold the key to life on Earth?
A series of missions are set to reveal the hidden secrets of the asteroids. Nina Notman explores the science of space rocks
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ResearchMystery of where early Earth’s life-fuelling phosphates came from may have been solved
Meteorites have been source of building blocks for primordial life
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NewsCan negative emission technologies overcome climate catastrophe?
Reforestation, carbon capture and storage, direct air capture are among the ‘Nets’ that could remove CO2 from the atmosphere
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PodcastSodium cyanide
This week marks the 20th anniversary of the Baia Mare disaster, when toxic sodium cyanide spilled from a gold processing plant led to ecological damage on a huge scale.
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ResearchCrystals reveal the site of the world’s oldest meteorite strike
Mineral chemistry suggests the massive impact 2.3 billion years ago could have made our entire planet much warmer
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ResearchNeanderthals were master fire-starters, cave chemistry suggests
A new study distinguishes chemical traces left by ancient hearth fires from those left by natural wildfires
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