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AI-powered chilli spray could deter bears without injuring them

A machine controlled by AI that sprays bears with the chilli pepper chemical capsaicin could reduce dangerous confrontations with people

By Matthew Sparkes

10 April 2025

Tibetan bears can get a bit too close to people and built-up areas

FLPA / Alamy Stock Photo

AI-controlled machines equipped with chilli pepper spray could reduce confrontations between bears and people. But the animals may learn to avoid these machines and simply head to homes and rubbish dumps without them.

Incidents between people and Tibetan brown bears (Ursus arctos pruinosus), also known as Tibetan blue bears, on the Tibetan Plateau are escalating, perhaps at least partly due to climate change affecting the animals’ usual territory. This could result in bears killing livestock and damaging property, or even…

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