Study finds orangutans value rewards more when hearing laughter
Indiana University research led by Erica Cartmill and Daan Laméris shows captive orangutans assign higher value to treats after hearing peer laughter.
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The story so far
2 publishers have covered this in 2 articles since 21 Oct 2026. The Guardian published first, on 21 October at 21:00 UTC; Phys.org - latest science and technology news stories followed 0 min later. The most recent article, from Phys.org - latest science and technology news stories, appeared on 21 October at 21:00 UTC.
Outlets reporting it: The Guardian (major outlet), Phys.org - latest science and technology news stories.
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In this story
- Orangutans
- Indiana University
- Erica Cartmill
- Daan Laméris