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 ...

Understanding the maintenance of cooperation is of fundamental importance in evolutionary biology. Kin selection is a powerful mechanism that explains altruism (Hamilton, 1964), the principle being ...

Last week Sarah Jane explained the evolutionary advantage of helping out family members, an idea known as kin selection. While the benefits are clear, we don't know how kin selection initially evolves ...

Hamilton’s rule—the mathematical relation quantifying the idea that genetically related subjects are more likely to help each other, even at the expense of their own survival—has been observed in many ...

New research by Texas A&M University biologist Dr. Charles Criscione and collaborators in Canada shows that family ties and traits such as manipulation, sacrifice and selflessness are just as key to ...