UK Edition - Today's top story: Differences in human and great ape laughter reveal clues to the origin of speech View in browser

27 July 2026

UK Edition

The Conversation
 

Have you ever heard a bonobo laugh? If not, I recommend you check out our article by primatologist Chiara De Gregorio, which includes videos of great apes chuckling away. They don’t sound like I expected!

Chiara has been investigating the rhythmic differences between human and great ape laughter. Humans exhibit a much broader range of laughter types, she explains, reflecting a multitude of social contexts. And the vocal control needed for this has a significant implication: our ability to “laugh fast” may reflect one of the key innovations that eventually made speech possible.

Two more behavioural experts have been looking at another form of expression: swearing in the workplace. While it’s not to be recommended as a general management strategy, some employees can be motivated by being given the ‘hairdryer treatment’.

And we also have expert analysis of the news that NHS waiting lists are finally getting shorter across England. But will some benefit more than others?

 

Mike Herd

Senior Science + Technology Editor

 
Bonobos in the water in the Democratic Republic of Congo. Sergey Uryadnikov/Shutterstock

Differences in human and great ape laughter reveal clues to the origin of speech

Chiara De Gregorio, University of Warwick

A new study of great ape laughter also gives clues about how humans’ ancient ancestors started speaking.

pathdoc/Shutterstock

A sweary boss might make you work harder (or want to quit)

Alexandros Psychogios, Loughborough University; Dritjon Gruda, Universidade Católica Portuguesa

Bad language can be inspiring.

Robert Stainforth/Alamy

NHS waiting lists are finally getting shorter, but not fairer everywhere

Philip Broadbent, University of Glasgow

The gap between rich and poor areas is narrowing, but inequalities remain in some specialities and regions.

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