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Why did the Vikings take hostages?

Sometimes the captives spent their whole lives together with the hostage-takers.

Are aliens really trying to contact us?

Probably not. But why did two Canadian researchers think they were?

Counting the years the Viking way

How did Norway keep track of time before it adopted the modern calendar?

How environmental and dietary changes affect farmed fish

Aquaculture diet has become increasingly plant based. In addition, the industry faces environmental changes. Recent findings in salmonids when the two challenges are combined, give cause for concern.

Breakthrough for Norwegian nori

Norwegian lab successfully cultivates red Porphyra algae for the first time. The algae has great potential as a "superfood".

New technology can detect fake fingerprints

3D fingerprinting can detect forgers. It could also make border crossings and passport controls safer and faster.

Can salmon lice end up on your dinner plate?

Are there any parasites on the fish you buy in the store?

Does a heart stop after a certain number of beats?

We have checked out a common myth regarding the heart, and the answer is not as simple as you might think.

Why Donald Trump is winning over many American Hindus

OPINION: One strange US election fact is becoming clear: Donald Trump has become the favoured presidential candidate of some American Hindus. How and why are more complex questions.

Microplastics in the earth: A reason to worry?

While the focus to date has been on microplastics in the ocean, microplastics in soils have largely been overlooked. Researchers are concerned about the lack of knowledge regarding potential consequences of microplastics in agricultural landscapes.