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Why did so many girls die?

Far more female infants than male infants died in Europe from 1700–1950. Researchers have been investigating why.

Can microplastics be used to make concrete?

Rubber granules from artificial grass pitches will be phased out, but what do we do with the thousands of tonnes of microplastics that are left? NTNU research shows that they can be used in the production of concrete.

W. Ludwig Kuhn

Ultrasound can save fish in hydropower rivers

Shooting sound waves through water can remove dissolved gas that results from hydropower production in rivers. This gas can harm fish. Researchers are now ready to test techniques to reduce the risk in real hydropower plants.

Seabed mining

Norway will be the first in the world to approve seabed mining. Is it a good idea?

The transition to a greener, renewable economy will require large amounts of minerals, and society has to get them from somewhere. Norwegian politicians have reached an agreement approving deep sea mining, in a proposal that has reaped both cheers and frustration from scientists and activists alike. Here’s what our scientists think.