Dominant male mammals are particularly at risk of infection by parasites

By Richard Kemeny According to much of the scientific literature, dominance in social animals goes hand-in-hand with healthier lives. Yet leaders of the pack might not be healthier in all aspects, and according to a study published last week (February 26) in Scientific Reports, they are more at risk of parasite infection. “While high-ranking animalsContinue reading “Dominant male mammals are particularly at risk of infection by parasites”

New research shows that horses can recognize human emotion

Psychologists studied how 28 horses reacted to seeing photographs of positive versus negative human facial expressions. When viewing angry faces, horses looked more with their left eye, a behaviour associated with perceiving negative stimuli. Their heart rate also increased more quickly and they showed more stress-related behaviours. The study, published February 10 in Biology Letters,Continue reading “New research shows that horses can recognize human emotion”