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mai 24 2015
When chemist Fred Holzhauer started a job at a cleaning-products company in 2008, his first assignment was to create a tablet dishwasher detergent that contained no polyacrylates, or any other…

mai 24 2015
Momentum is building to establish a new geological epoch that recognizes humanity's impact on the planet. But there is fierce debate behind the scenes. Téléchargement

mai 24 2015
Short-sightedness is reaching epidemic proportions. Some scientists think they have found a reason why. Téléchargement

mai 24 2015
Transfusions are one of the most overused treatments in modern medicine, at a cost of billions of dollars. Researchers are working out how to cut back. Téléchargement

avril 15 2015
Information scientist Cassidy Sugimoto was initially sceptical that Twitter was anything more than a self-promotional time-sink. But when she noticed that her graduate students were receiving conference and co-authoring invitations…

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