Medical research

Progress made in transplanting pig hearts into baboons

A large team of researchers from several institutions in Germany, Sweden, Switzerland and the U.S. has transplanted pig hearts into baboons and kept them alive for an extended period of time. In their paper published in the ...

Psychology & Psychiatry

Monkeys might be more logical than we think

You see a big cat nursing a kitten, and you assume Cat A is Cat B’s mother. Then you see a bird dropping worms in a smaller bird’s mouth. Different content, different context, but same relationship—you conclude ...

Baboon

Papio hamadryas Papio papio Papio anubis Papio cynocephalus Papio ursinus

Baboons are African Old World monkeys belonging to the genus Papio, part of the subfamily Cercopithecinae. There are five species, which are some of the largest non-hominid members of the primate order; only the Mandrill and the Drill are larger. Previously, the closely related Gelada (genus Theropithecus) and two species of Mandrill and Drill (genus Mandrillus) were grouped in the same genus, and these Old World monkeys are still often referred to as baboons in everyday speech. They range in size and weight depending on species. The Guinea Baboon is 50 cm (20 inches) and weighs only 14 kg (30 lb) while the largest Chacma Baboon can be 120 cm (47 inches) and weigh 40 kg (90 lb). A group of baboons is collectively called a troop.

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