Biology

How sharks & rays use the vertical

One of the 38 species studied was the tiger shark. © Alex Kydd Until now, more horizontal movement patterns were known - now an international...

Simple method destroys stubborn chemicals

Perfluorinated hydrocarbons are usually difficult to degrade. © Totojang/ iStock Per- and polyfluoroalkyl compounds (PFAS) have been used as non-stick and waterproofing agents since the...

Targeting early fruit eaters

Artist's rendering of the Cretaceous bird Jeholornis shed viable seeds after eating fruit. © Zhixin Han and Yifan Wang. ...

Snappy shaped eye sockets

Special bone structures of the eye sockets (left) made the skulls of large carnivorous dinosaurs more resilient than hypothetical circular shapes (right). ©...

Seal mothers sacrifice iron to their young

Weddel seal mothers invest in their offspring in a special way through their milk. Michelle Shero/ © Woods Hole Oceanographic iInstitution ...

Chimpanzees call for pack hunting

An appetite for meat turns chimpanzees into pack hunters: they prey on colobus monkeys in the treetops. © Kibale Chimpanzee Project ...

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