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Mass extinction 66 million years ago paved the way for modern shark communities

The famous mass extinction of dinosaurs also impacted oceanic animals and in particular, sharks. A new study reveals how the balance of modern shark biodiversity can be traced back to this very event.

Time to re-think the climate change challenge

OPINION: We now know enough about the nature of the earth system that the risk of crossing a planetary threshold that propels us into a Hothouse Earth needs to be taken very seriously.

Swedish youth prescribed more anxiety medications

Use of medications for anxiety, insomnia and epilepsy has increased significantly in Sweden among children and adolescents, a new study shows.

Loss of marine habitats is threatening the global fishing industry – new research

New study reveals the first quantitative global evidence for the significant roles that seagrasses play in supporting fishery productivity.

Why you can't have free trade and save the planet

OPINION: For centuries world trade has increased not only environmental degradation, but also global inequality. The expanding ecological footprints of affluent people are unjust as well as unsustainable.

A visit to Rome using centuries-old guidebooks

"There were big differences in what people thought was important and noteworthy, beautiful or ugly," says Anna Blennow.

Girls experience sexting more negatively than boys

A new study finds that Swedish boys and girls have very different reactions to sexually explicit texts. One researcher thinks this is very disheartening.

Fathers with more education more likely to take paternity leave

Swedish doctors and lawyers take twice as much parental leave as their less well-educated peers. But the trend is the opposite for well-educated women.

Autoimmune diseases more often affect people with stress disorders

A major study shows an association between stress-related disorders and subsequent autoimmune diseases such as arthritis, celiac disease and type 1 diabetes.

A tiny dragonhead illuminates life in a Viking trading town

This little head dates from the Viking Age and was produced in unique style.