Pumas living near human development expend more energy

Pumas living near human development are more active at night, thus expending more energy each day, which could affect their fitness, according to a study published October 11, 2017 in the open-access journal PLOS ONE by Yiwei ...

How viruses hijack a host's energy supply

Viruses occupy a strange no-man's-land between the living and the nonliving. In order to reproduce, they must infect a living host and hijack its resources. But while it is understood that this parasitic relationship can ...

Polar bears may survive ice melt, with or without seals

As climate change accelerates ice melt in the Arctic, polar bears may find caribou and snow geese replacing seals as an important food source, shows a recent study published in the journal PLOS ONE. The research, by Linda ...

Whale sharks do the math to avoid that sinking feeling

They are the largest fish species in the ocean, but the majestic gliding motion of the whale shark is, scientists argue, an astonishing feat of mathematics and energy conservation. In new research published today in the British ...