Researchers studying macaques in Morocco find that socialization improves the monkeys’ odds of surviving the winter. 

The University of Chicago psychology professor made fundamental contributions to understanding the neural mechanisms of social experiences.  

Dominant male mammals are particularly at risk of infection by parasites.

Research into the biological basis of gender identity is in its infancy, but clues are beginning to emerge.

Brain studies have yielded a mixed picture of the neural similarities and differences between people of different genders.

Experiments that place untethered fish, flies, and mice in simulated environments give clues about the animals’ social behavior.

Surrounded by a projection screen, a fly’s flight path is influenced by a collection of moving dots.

Researchers track a fish in a virtual-reality system as it responds to projections of other fish of the same species.

In Chapter 6, “The Hormonal Essence of the T-Rex?” author Cordelia Fine considers the biological dogma that testes, and the powerful hormones they exude, are the root of all sexual inequality.

Genetic variants on chromosome 26 appears to play a role in a dog’s tendency to turn to people for help.