30-million-year-old amphibious beaver fossil is oldest ever found

A new analysis of a beaver anklebone fossil found in Montana suggests the evolution of semi-aquatic beavers may have occurred at least 7 million years earlier than previously thought, and happened in North America rather ...

Single-crop farming has potential to harm bees, study finds

Mass-blooming, monoculture crop fields don't seem to reduce the microbial diversity in a bee's gut, University of Oregon researchers have found in a study of sunflower farms, but they do amplify the spread of infectious parasites.

Shedding light on how much carbon tropical forests can absorb

Tropical forest ecosystems are an important part of the global carbon cycle as they take up and store large amounts of CO2. It is, however, uncertain how much this ability differs between forests with high versus low species ...

Climate-adapted plant breeding

The famous seed vault in Spitsbergen and national gene banks retain hundreds of thousands of seed samples to preserve old varieties of crop plants and the genetic diversity associated with them. Are these seed banks gold ...

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