All mass articles
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         News NewsGadolinium, lutetium and zirconium all have new atomic weightsIupac updates of elements’ standard atomic weights follows new evaluations of abundance 
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         Business BusinessMeasuring biomolecules’ mass with lightRefeyn’s mass photometry is a new addition to the bioanalytical toolkit 
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         Research ResearchMass spec goes massive weighing huge virus particlesNanomechanical system can weigh protein complexes and viruses more than 100MDa in mass 
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         News NewsKing of kilograms is no more as metric system gets a makeoverMetre convention countries have agreed to redefine four of the seven SI base units and link them to immutable natural constants 
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         Review ReviewMass: the quest to understand matter from Greek atoms to quantum fieldsA book on quantum theory best approached by those with an elastic mind