Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
An EU study developed new methods for assessing the ecological effects of Europe's food and drink production. The team showed that most methods cannot cope with regional variation, then recommended database changes and developed a software tool.
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