Podcast ties exercise, hedgehog hearing, AI bias

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- Ian Sample hosted a Guardian science podcast episode with Madeleine Finlay covering three recent research stories.
- Guardian science podcast highlighted a study that explores the link between regular exercise and improved brain function.
- Guardian science podcast reported that European hedgehogs can detect high‑frequency ultrasound, a discovery with potential conservation implications.
- Guardian science podcast examined research showing that biased AI autocomplete tools can influence users’ beliefs.
- Guardian science podcast included a link to a Guardian article about ultrasound repellers that could deter hedgehogs from roads.
Why it matters: Listeners gain concrete updates on three distinct science fronts: evidence that exercise supports brain health, a novel hedgehog hearing ability that could guide road‑safety interventions, and AI autocomplete bias that may steer user beliefs, highlighting practical implications for health, wildlife conservation, and digital literacy.
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