Public Library of Science

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other ...

Jun 11, 2013 5 / 5 (3) 0 | with audio podcast

Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit ...

Apr 30, 2013 4.1 / 5 (16) 70 | with audio podcast

How predictable is evolution?

Understanding how and why diversification occurs is important for understanding why there are so many species on Earth. In a new study published on 19 February in the open access journal PLOS Biology, researchers show that s ...

Feb 19, 2013 3.6 / 5 (12) 197 | with audio podcast