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Metals

Urgent need to recycle rare metals

Rare earth metals are important components in green energy products such as wind turbines and eco-cars. But the scarcity of these metals is worrying the EU.

Medieval copper smelter find is Norway's oldest

Medieval copper production in Norway was surprisingly sophisticated, a new archaeological find suggests

The Archbishop’s mint

The medieval coin workshop found in Trondheim is the world’s best preserved. Now scientists have reconstructed the entire coin-making process.

How can you avoid regaining those lost kilos?

New scientific results from a small clinical study shows that people maintain weight loss when they adhere to their own systematic set of rules for eating, rather than following any particular diet, or eating for pleasure or hunger.