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Smokeless «fire» under water

We say that there is no smoke without fire, but there can be fire without smoke. At the bottom of the streams, under water, bacteria are burning organic matter, making a considerable contribution to carbon emissions to the atmosphere.

New nanomaterial to replace mercury

Ultraviolet light is used to kill bacteria and viruses, but UV lamps contain toxic mercury. A newly developed nanomaterial is changing that.

How you can help the insect world

Many insect species are struggling. But all of us can help them, whether we live in an apartment or in a house with a garden.

Passion trumps love for sex in relationships

When women distinguish between sex and the relational and emotional aspects of a relationship, this determines how often couples in long-term relationships have sex. Passion plays a significant role.

How stores can throw out less food

Grocery stores throw out 75 000 tons of food annually. By adding date tagging to the barcode, food waste could be dramatically reduced, according to two students.

Higher weight increases risk of psoriasis

The higher a person’s BMI, the greater the chance of getting psoriasis. But researchers are still uncertain as to why.

Migrants are their country’s best and brightest

People who choose to emigrate are those with the best education, new research shows. This flies in the face of popular opinion.

Common cell type found in autoimmune diseases

Immune cells at the centre of coeliac disease have been found in patients with other autoimmune diseases. These results give hope of finding the cause of a number of diseases.

Men sometimes act less interested in sex – in order to get it

In a new study, women said they acted a little more interested in sex than they really were. Men are the ones who apparently play cool most often.

What do the animals in stave church ornamentation signify?

The richly decorated portal at Urnes stave church has often been interpreted in light of paganism. That’s wrong, according to a new stave church study.
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