A new hypothesis holds that women become infertile later in life because males prefer younger mates.
A new hypothesis holds that women become infertile later in life because males prefer younger mates.
Regular supplies of food for scavenger birds in Spain may not be the most effective conservation strategy, as smaller birds are bullied away.
Assistant Professor, Department of Zoology, University of British Columbia. Age: 34
Yale University evolutionary biologist Steven Brady studies the evolutionary impacts of roads on the amphibians.
Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
The Asian harlequin ladybird carries a biological weapon to wipe out competing species.
Symbiotic fungi on the roots of bean plants can act as an underground signaling network, transmitting early warnings of impending aphid attacks.
The decline of a population of Arctic foxes isolated on a small Russian island may be due to mercury pollution from their diet of seabirds and seals.
Better health care in Gambian villages lead to flip-flopping selection pressures on height and weight.
Researchers in the Amazon are measuring how much carbon dioxide fertilizes the rainforest.