Metals – Page 4
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BusinessHelium and rubber added to EU critical raw materials list
New classification sees nine materials pass threshold of supply risk, while two are downgraded
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ResearchTentative claims for new metallic hydrogen phase
New results point to four or more solid forms of hydrogen
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ResearchControversial metallic hydrogen claim under new scrutiny
Three high pressure groups pile on criticism as original ‘metallic hydrogen’ sample lost during catastrophic equipment failure
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ResearchBismuth superconductor leaves theory up in the air
Discovery of superconductivity at exceptionally low temperatures confounds current understanding of the phenomenon
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ResearchMetal micronutrients get to the root of antifungal defence
Flavoursome tomato varieties could benefit from nanoparticle fertilisers
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NewsFungi eat up old batteries and spit out metals
Lithium and cobalt can be recycled from worn out lithium-ion batteries in low energy process thanks to fungal acids
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ResearchMetal ion swap improves artificial enzymes
Substituting iron with iridium expands the catalytic capacity of metalloenzymes
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ReviewRare: the high-stakes race to satisfy our need for the scarcest metals on earth
Exceptional elements
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FeatureMagical mixtures of metals
From bronze axes to jet engines, alloys have enabled humanity’s cutting-edge technology, as Fiona Case finds out
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ResearchAlloy rewrites phase-change rules
Zinc-gold-copper alloy experiences unprecedentedly low stress during transition, boosting time to failure
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FeatureQuasicrystals scoop prize
The 2011 Nobel laureate in chemistry, Daniel Shechtman, fought hard to win acceptance of his discovery: quasicrystals. Laura Howes tells how perseverance led to the ultimate recognition
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