News tagged with evolutionary biology

A snapshot of pupfish evolution in action

Chris Martin has bred more than 3,000 hybrid fish in his time as a graduate student in evolution and ecology at UC Davis, a pursuit that has helped him create one of the most comprehensive snapshots of natural ...

Jan 10, 2013
4.5 / 5 (4) 0 | with audio podcast

Cheating slime mold gets the upper hand

A 'cheater' mutation (chtB) in Dictyostelium discoideum, a free living slime mould able to co-operate as social organism when food is scarce, allows the cheater strain to exploit its social partner, finds ...

Jan 08, 2013
not rated yet 1 | with audio podcast

Racing to identify species as biodiversity shrinks

A little more than 39 years ago, on December 28, 1973, the Endangered Species Act was enacted to conserve threatened and endangered species and their ecosystems. To honor this anniversary, Daphne Fautin of ...

Jan 07, 2013
not rated yet 0

The origins of a genetic switch

Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified ...

Jan 02, 2013
5 / 5 (3) 1