Have you ever wondered what kind of video content would most grab the attention of monkeys? A new study of long-tailed macaques suggests the monkeys seem to like some of the same kind of content that ...

Long-tailed macaques given short videos were glued to scenes of fighting—especially when the combatants were monkeys they knew—mirroring the human draw to drama and familiar faces. Low-ranking ...

Have you ever gone to the zoo and observed the monkeys picking each other? This is a well-documented, long-studied, instinctive behavior in primates (monkeys, apes, etc.) called the grooming response.