Bornean treeshrews can take the heat

As human activity shapes Earth's climate, animals must increasingly adapt to new environmental conditions. The thermoneutral zone—the ambient temperature range in which mammals can maintain their body temperature without ...

Biologists examine sperm quality on the basis of their metabolism

Every tenth couple worldwide is affected by infertility. The reasons for this are manifold, but mostly well researched. Nevertheless, about fifteen percent of cases remain unexplained. A team of biologists at TU Dresden has ...

Mastering metabolism for shark and ray survival

Understanding the internal energy flow—including the metabolism—of large ocean creatures like sharks and rays could be key to their survival in a changing climate, according to a new study.

Is there a limit to human endurance? Science says yes

From the Ironman triathlon to the Tour de France, some competitions test the limits of even the toughest endurance athletes. Now, a new study of energy expenditure during some of the world's longest, most grueling sporting ...

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