New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »

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Nigel Farage’s recent efforts to woo centre-ground voters may cause tension in party’s right flank, says Hope Not Hate

Photograph: Henri Robbins

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Distance bounds — Min/max constraints between all atom pairs from bond lengths, angles, torsions, and van der Waals radii

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