Martin Nowak removes his shoes, props his white-socked feet on a chair, and explains why he is right and everyone else is wrong. He’s in the corner office of the program he directs, which occupies the ...

Altruistic behavior is often seen as an exclusively human characteristic. However, behavioral research has uncovered numerous examples of altruistic behavior in the animal kingdom. In a new study, ...

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 ...

Philosophical Transactions: Biological Sciences, Vol. 374, No. 1780, Theme issue: The evolution of female-biased kinship in humans and other mammals (2 September 2019), pp. 1-9 (9 pages) Evolutionary ...

Bacteria produce a range of molecules that are secreted from the cell and can provide a benefit to the local population of cells. Laboratory experiments have suggested that these “public goods” ...