A sound too high for you to hear may one day help keep hedgehogs off the road. That possibility comes from a new study in Biology Letters reporting that European hedgehogs can hear ultrasound, with ...

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New technology enables us to perceive sounds beyond human hearing range, allowing a new perspective on our place on the planet.

Researchers have discovered that hedgehogs can hear ultrasound, a surprising ability that could help protect them from cars. Since road traffic kills large numbers of hedgehogs, scientists believe ...