Is Gender Unique to Humans?
Evidence from our closest evolutionary relatives suggests that we might not be the only animals with a sense of gender identity.
Primate Vocalizations Are Much More Than Gibberish
Nonhuman primates clearly do more than just screech meaningless sounds at each other, but what are the limits of their communication?
Should Chimps Be Considered People Under the Law?
To protect animals with highly developed cognitive and emotional capacities, we need to start by changing our point of view.
