Nanomaterial from the Middle Ages

To gild sculptures in the late Middle Ages, artists often applied ultra-thin gold foil supported by a silver base layer. For the first time, scientists at the Paul Scherrer Institute PSI have managed to produce nanoscale ...

Seeds of change for Dijon mustard amid shortage

France's favorite condiment, Dijon mustard, is hard to find these days, with signs on supermarket shelves warning the lucky few who spot jars that they can only take one home.

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