New research shows that family ties and traits such as manipulation, sacrifice and selflessness are just as key to survival in parasitic organisms as they are in cognitive species like humans. In ...

DR. MAYNARD SMITH'S communication raises a good many more questions than I can attempt to answer here. The major obstacle to constructive discussion between us really arises from the understandable ...

Social interactions among individuals are widespread, both in natural and domestic populations. As a result, trait values of individuals may be affected by genes in other individuals, a phenomenon ...

The second science -- Simple selection -- The genetic and ecological context of selection -- History, chance, and necessity -- The rate of genetic deterioration -- The rate of environmental ...