Senior members of Reform UK are embroiled in a bitter row - with one of its MPs being suspended from the party. Rupert Lowe, the MP for Great Yarmouth, lost the party whip over the weekend ...

Ram Mohan looks at how bismuth — a remarkably harmless element among the toxic heavy metals in the periodic table — has sparked interest in areas varying from medicinal to industrial chemistry ...

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SAN FRANCISCO — New data suggest that lenacapavir delivered just once per year could be as effective for HIV prevention as the twice-yearly injections already under review by the FDA.