primates

An ape in the wild laughs.

15-million-year-old laughter: Humans and apes share a common rhythm

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Researchers compared the timing of laughter bursts in four living species of great apes and in children. Laughter following tickling was particularly rhythmic in all groups, but in humans it was rapid, variable
A young chimpanzee makes eye contact. New research suggests that chimpanzees are capable of rational thought and changing their decisions when new evidence emerges. Illustration: depositphotos.com

Psychologists have discovered that chimpanzees are capable of rational thought, similar to humans.

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A team of researchers from the University of California, Berkeley, and partner institutions studied chimpanzees in the E-Ngamba Reserve in Uganda and found that they change their choices when given stronger evidence – a finding that places rationality at the center of
A female chimpanzee with her baby. Illustration: depositphotos.com

Sad chimpanzees give birth: childbirth is also a challenge for great apes

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Researchers simulated childbirth in chimpanzees and humans and measured the distance between the bony birth canal and the fetal head. The study shows that narrow birth canals relative to the size of the baby's head are not unique to humans
Behumi and Bell mother and daughter credit David Omer's laboratory

Monkeys mark each other with names and open a new window for understanding the development of human language

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Groundbreaking research reveals that marmosets mark each other by name using unique calls, an ability that until now was thought to be the exclusive preserve of a limited number of species. The findings provide new insights
A long-tailed macaque with a plastic cup in Singapore. Almost wherever there are people, there is also plastic. Photo: Amos Chua

What happens when plastic reaches the forests and what does it have to do with monkeys?

Artist's impression of a group of G. blacki in a forest in southern China. Credit: Garcia/Juan-Boiu (Southern Cross University)

3 meter tall apes in East Asia became extinct because they were overspecialized

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In the spectacular karst landscapes of southern China, giant apes, known as Gigantopithecus blacki, once roamed. They were three meters tall and weighed about 250 kilograms. They became extinct about 300 thousand years ago. The reasons for the extinction of
A new study shows that great apes have an extraordinary social memory, recognizing former group members even after more than 25 years. The finding, which suggests significant cognitive similarities between great apes and humans, highlights the depth and duration of social bonds in our animal relatives. The study found the longest-lasting nonhuman social memories ever recorded. Photo: Johns Hopkins University

Eternal bonds: Great apes exhibit remarkable memory for their long-lost friends

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Great apes recognize pictures of group members they haven't seen in more than 25 years and respond more enthusiastically to pictures of their friends, new research suggests
The gorilla Leah. Photo: Tivor Yeager, courtesy of the Safari

The evolution of facial expressions

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The primitive facial architecture of the gorilla as a key to understanding human facial expressions
The brain of primates has an amazing ability to recognize faces. Researchers are now beginning to crack that code. Illustration: Turinboy.

How the brain recognizes faces

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A macaque monkey in a facility for animal experiments. Source: Understanding Animal Research.

Transparency is the way to improve the treatment of primates in scientific research

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The Indonesian Terasius - the smallest primate in the world. Photo: shutterstock

Indonesian tarsius (Tarsius syrichta) - the monkey that can see beyond the dark

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A hooded sweatshirt inserts a stick into its nose. Screenshot from a YouTube video by the Science website

Picking your nose in the name of science

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An illustration illustrating what the ancient primate might have looked like in its natural habitat on trees, XIJUN NI

The oldest primate skeleton has been discovered - a creature the size of a mouse that lived 55 million years ago

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