News tagged with evolutionary biology

The extraordinary evolution of REVs

A new study by Anna Maria Niewiadomska and Robert Gifford, of The Aaron Diamond AIDS Research Center, New York, reveals that reticuloendotheliosis viruses (REVs), which originated in mammals, spread to birds as a result of ...

Aug 27, 2013 5 / 5 (2) 0 | with audio podcast

Sea otters promote recovery of seagrass beds

Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback. ...

Aug 26, 2013 4.9 / 5 (8) 1 | with audio podcast

Warming climate pushes plants up the mountain

In a rare opportunity to directly compare plant communities in the same area now with a survey taken 50 years ago, a University of Arizona-led research team has provided the first on-the-ground evidence that ...

Aug 14, 2013 4.2 / 5 (5) 5

Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Aug 02, 2013 4.5 / 5 (4) 1 | with audio podcast