For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their ...

A team of scientists have undertaken detective work to trace the origin of the first orangutan specimen to be scientifically named<em> Pongo pygmaeus</em>. By tracing ...

A 32.5-year-old female hybrid orangutan (Pongo pygmaeus) developed hind-limb stiffness that progressed to tetraparesis over 2 wk. Repeated diagnostic evaluations, including serial magnetic resonance ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...

This is a preview. Log in through your library . Abstract In most studies to date, innovations were studied if their orgination was witnessed or if they arose in response to a pronounced environmental ...

JAKARTA — A palm oil company is gearing up to expand into critical orangutan habitat in Indonesian Borneo, raising alarms over the survival of the critically endangered great apes. PT Equator Sumber ...

In the dense forests of Indonesia, you can hear strange and haunting sounds. At first, these calls may seem like a random collection of noises—but my rhythmic analyses reveal a different story. Those ...

These are the adorable images of a mother and her baby orangutan catching up on missed time together after being successfully reintroduced to each other. From a curious hand reaching out to her young, ...

Loui the orangutan hitting the floor of his enclosure with a stone tool. Photo: Motes-Rodrigo et al., 2022, PLOS ONE, CC-BY 4.0 Captive orangutans can use stone tools without minimal direction from ...