A new way to control microbial metabolism

Microbes can be engineered to produce a variety of useful compounds, including plastics, biofuels, and pharmaceuticals. However, in many cases, these products compete with the metabolic pathways that the cells need to fuel ...

On the origins of agriculture, researchers uncover new clues

The invention of agriculture changed humans and the environment forever, and over several thousand years, the practice originated independently in a least a dozen different places. But why did agriculture begin in those places, ...

Crowded urban areas have fewer songbirds per person

People in crowded urban areas - especially poor areas - see fewer songbirds such as tits and finches, and more potential "nuisance" birds, such as pigeons, magpies and gulls, new research shows.

Global analysis of large carnivore habitats

Although humans have driven lions, tigers, wolves, bears and other large carnivores from much of their home territories across the planet, scientists have identified more than 280 areas where these animals could potentially ...

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