Biology - Evolution news

Promiscuous mouse moms bear sexier sons

University of Utah biologists found that when mother mice compete socially for mates in a promiscuous environment, their sons play hard and die young: They attract more females by making more urinary pheromones, ...

Nov 18, 2013 3.5 / 5 (8) 0 | with audio podcast

Nothing to see here

(Phys.org) —"Blend in" appears to be the mantra for male Bahamas mosquitofish that live near predators. After all, fish with brighter, more colorful fins or patches are more conspicuous – and standing ...

Nov 11, 2013 5 / 5 (1) 0 | with audio podcast

Grazers and pollinators shape plant evolution

It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic composition ...

Oct 21, 2013 5 / 5 (2) 0 | with audio podcast