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Woman with her hand cupping her ear to improve hearing. Photo illustration.

A strange humming phenomenon

Do you occasionally hear a low buzzing or humming sound that doesn’t have a clear source? Then you’re among the estimated 2-4 per cent of the world’s population who hear this. Scientists have been trying to figure out for decades where this sound comes from.

A huge amount of plastic waste accumulated on a Norwegian shoreline among driftwood.

The impact of microplastics on ocean carbon uptake

Marine microplastics affect algae’s ability to grow and photosynthesize. Researchers have now calculated what impact this has on the greenhouse effect and the ocean’s ability to absorb carbon dioxide.

Two elderly women runners ahead of a group of walkers on dirt path. Photo.

Exercise: a very little goes a long way

Don’t have time to exercise because of a busy schedule? Or are you simply not very motivated? You’ll be pleased to learn that just 10 minutes of exercise every other day is all it takes. However, you really need to exert yourself during those 10 minutes.

The Frosta boat racing along on hydrofoils in Trondheim fjord. Photo.

An autonomous “flying” boat

This past winter, people in Trondheim have caught glimpses of a boat that seems to fly over the water out on the fjord. Many have also taken part in test trips. NTNU researchers have investigated what it will take for people to trust a boat that runs almost without a crew on board.