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Researchers have found an imbalance in the brain chemistry of young people addicted to smartphones and the internet, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

It’s no secret that human activities affect fish, particularly those that must migrate to reproduce. Years of building dams and polluting rivers in some regions have left fish such as salmon struggling to return to their home streams and give birth to the next generation.

Mathematical models have proven the risk of the on-going pneumonic plague epidemic in Madagascar spreading elsewhere in the world is limited, with the estimated number of exported cases staying below 0.1 person in each country between August 1 and October 17.

High in the snowfields atop the Rocky Mountains in Colorado, things are not as pristine as they used to be. Dust from the desert Southwest is sailing into the Rockies in increasing quantities and settling onto the snow that covers the peaks, often streaking the white surface with shades of red and brown.

100 households, 365 days: Starting this December, private households in the German capital will be testing what climate action means in everyday life in the project "Climate-Neutral Living in Berlin" (Klimaneutral Leben in Berlin - KliB). From families with children to partnerships, flat-sharing communities or singles - for one year, the voluntary housholds will document their personal carbon footprint and learn about ways to improve their own climate balance. They will be supported by experts from the Potsdam Institute for Climate Impact Research (PIK). The KliB living lab intends to show how climate protection can be implemented in our everyday life, where potential problems lie and what politicians could do to overcome them.