Biology

An “ancestor being” in sight

The Cambrian Yunnanozoans apparently shared a feature that links them to vertebrates: a pharyngeal skeleton made of cellular cartilage. Artist's rendering © Dinghua...

Dinosaurs: career with an icy start?

Artist's rendering of a feathered dinosaur coping with cold conditions in the Triassic-Jurassic transition era. © Painting by Larry Felder ...

Did viruses make complex life possible?

This comparison of the genomes of all known viruses that infect bacteria (left) and eukaryotes reveals the unique position of viruses infecting the Asgard...

Climate change: targeting the water cycle

Floods and other hydrological extremes plague the world. A research center is now being built in Potsdam where scientists will study how climate...

Polar bears that can survive without pack ice

A polar bear family crosses glacial ice in south-east Greenland. ©NASA OMG More adaptable than expected: Researchers report that there is a possibly climate...

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