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Trade

Firms brace for China ban on exports of critical minerals to the US

Gallium, germanium, and antimony underpin many consumer and military technologies


UN plastics treaty trips at finish line

Talks falter as delegates butt heads over production caps and chemicals

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Infectious disease

Scientists ponder the peat bog to fight TB

Antitubercular compounds secreted by bog fungi target TB thiols


Single mutation to bird flu protein altered receptor specificity in lab

Study reports that wild-type H5N1 hemagglutinin preferentially binds avian-type receptors

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Biocatalysis

Enzyme and photocatalyst juggle 3-component reaction

Researchers engineered an enzyme to wrangle multiple radicals with high stereoselectivity


Simple method converts fluorspar into fluorochemicals

Generating common fluorinating agents directly from the mineral avoids the dangers of hydrogen fluoride