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Researchers at Lund University and others have shown that skin pigments convert UV radiation into heat through a speedy chemical reaction that blasts protons from the pigment molecules. The skin pigment thereby protects the body from hazardous UV radiation from the sun. Researchers at Lund University, together with colleagues in...
“‘Look on the bright side!’ – is something you might have been told when complaining about feeling tired and blue despite the Christmas holidays. But happy outbursts won’t help if you are someone who suffers from Seasonal Affective Disorder (SAD). However, light – a lot of light – in the...
Light affects us in more ways than we previously thought. We both need to see daylight to become awake and alert, and have sunlight reach our skin to stay healthy. “In terms off morbidity and mortality in general in the Nordic region, we see clear seasonal and temporal variation that...
A good building is a building that has access to natural light, low energy consumption, is resilient, that is, that can handle crisis situations, and satisfies people’s needs ‘naturally’. According to architect Marie-Claude Dubois, to achieve such a sustainable building design, we must strive for strong solutions. THESE DAYS when...
Column: Gertrud Sandqvist, Professor of the Theory and History of Ideas in Visual Art at Lund University, 2015 The central perspective was invented some 600 years ago by artists both North and South of the Alps to make angels seem more authentic – a method to create the illusion of depth...
Birds have one of the most impressive vision systems in the animal world. But despite their advanced retina, birds are not significantly better than humans at determining different shades of similar colours. Few animal groups show such a great variety in colour as the birds’ plumage. Many studies have shown...
