Selection drives functional evolution of large enzyme families

Researchers at Umeå University, together with researchers at the Institute of Botany, Chinese Academy of Sciences, show in a new study how natural selection drives functional evolution of a large protein family in conifer ...

NASA image: Fires plaguing Idaho

Fires continue to ignite parts of the West. In this image, fires in Idaho and Wyoming can be seen.

Self-medication in animals much more widespread than believed

It's been known for decades that animals such as chimpanzees seek out medicinal herbs to treat their diseases. But in recent years, the list of animal pharmacists has grown much longer, and it now appears that the practice ...

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