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Can cortisol indicate dementia?

High levels of the stress hormone cortisol could indicate memory problems in the elderly, but scientists do not know why.

New study finds proof that creativity and mental illness are genetically linked

Being able to think out of the box puts you at a higher risk of developing certain psychiatric disorders.

Stem cells strengthen the heart

Transplanted stem cells make the hearts of mice more resistant to heart attacks.

When ammonia becomes toxic

Ammonia is very toxic to the brain and new research shows why: the glial cells ability to remove potassium is disturbed.

Icelandic men sing for country, camaraderie and self-therapy

Male voice choirs hold a special place in Icelandic culture. Singing is a vital part of everyday life and is about national identity, being with other men, and dealing with life's ups and downs.

How Vikings killed time

The Vikings played ball, lifted stones and wrestled. Often the games turned violent and bloody, occasionally resulting in death.

Drawing heat from hell

Water near glowing magma is so hot and under such high pressure that it has ten times the energy of normal geothermal sources. Can the Icelanders make use of this heat from the underworld?

The North is barbaric and sublime

Many associate the North with wealth and progress. But ancient stereotypes of barbaric Vikings and primitive ignorance are still alive and kicking, says Icelandic historian.

Understand the uterus and get fewer premature babies

A better understanding of in the way the uterus works could significantly reduce the number of preterm births. Icelandic researchers are looking into new methods of solving the problem.

Air-traffic shutdown justified

Last year’s closing of flight zones due to the eruption of Icelandic volcano Eyjafjallajökull was justified, considering the potential damage from the ash, a new study concludes.