Hippos Recognize Each Other’s Voices – And Respond Differently to Calls of Strangers

Hippopotamuses are quite vocal animals. Their “squeaky honk” calls can be heard over long distances, leading researchers to suspect that the calls play an important role in sustaining social groups. Now, a study published in the journal Current Biology on January 24, 2022, shows that hypos know each other’s voices. They also respond less aggressively … Read more

Severe Depression Affects Women and Men Differently – Scientists May Have Finally Discovered Why

A team of Université Laval scientists may have discovered why severe depression affects women and men differently, according to a study published on January 10, 2022, in Communicating Nature. The researchers examined the brains of people with depression at the time of death and found changes located in different parts of the brain for each … Read more