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How ultrasound tech could save hedgehogs

5/10/2026 • 36 min

Hedgehogs are in decline all over Europe. These prickly little fellas are faced with so many threats – in their rural habitats, in our gardens, and on our roads. But new research about hedgehog hearing could help us protect these adorable creatures from going extinct. As part of our Science of Sound miniseries, we speak to Dr Sophie Lund Rasmussen, a scientist … Play episode

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Inside the project helping the hard of hearing listen to music
Why your Neanderthal genes may be affecting your health
Don't miss the upcoming Science of Sound Miniseries!
How to help your brain thrive in a rapidly changing world
How to break free from imposter syndrome
The dawn chorus – why birds sing at the break of day
How to save the planet’s forests
How flowers played a key role of the evolution of life on Earth
How chemistry underpins every area of our lives
How to engage more deeply with the natural world
You’ve been pooping wrong, but here’s how to fix it
Why it’s not too late to reverse Earth’s extinction crisis
Why gout is on the rise, and how to lower your risk
How our intimate relationship with animals shaped human evolution
Why our brains struggle to keep up with a rapidly changing world
Why we need to save ugly, creepy, scary and misunderstood animals
How we look at the Universe with a radio
The best ways to spot a liar
Why understanding what makes us hungry is key to weight loss
How to slash your dementia risk in 12 weeks
Why connecting with others is vital for our mental health
How metabolism really affects your health, weight and wellbeing
What faces reveal about us and the societies we live in
How our planet connects to the Solar System around it
How AI could help us create life from scratch
What happens in our brains and bodies when we fall in love
Why gradual change is the true driving force of innovation
Why we need to rethink our concept of evil
The hidden ways the Internet and social media are shaping healthcare
How to break free from the negative cycle of overthinking
How paleoartists bring dinosaurs to life
Why mental resilience is a skill we can all learn
The hidden scoring systems running our lives
How to beat burnout in an increasingly fast-paced world
Why your next best friend may be an AI
How the arts can keep our bodies and brains healthier for longer
Why social connection is vital for our health and well-being
Why the new era of life-saving drugs starts with plants
How to beat the alarming increase in childhood allergies
Our Universe could be trapped inside a black hole with no way out
The real story behind Jurassic Park’s most controversial dinosaur
How neuroscience is reshaping our understanding of free will
How to listen to what animals are trying to say
How widening our palates can help feed, and save, the planet
Why not getting enough sleep plays havoc with our emotions
How to combat the planet’s growing issue of food waste
The hidden forces driving the AI bubble
Earth is heading for a food emergency. Can we stop it?

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