Meet the European hedgehog ( Erinaceus europaeus ), small nocturnal insectivores that turn into a spiny ball of death when they feel threatened. Unfortunately, the mammals are rapidly declining.
Millions of hedgehogs die as they cross the roads, but a discovery is paving the way for a warning that might stop them crossing at dangerous times.
The proposal is based on their findings which show for the first time that hedgehogs can hear high-frequency ultrasound.
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European hedgehogs are often hit by cars. Researchers say ultrasound could save them from extinction
Despite their prickly exterior, European hedgehogs are extremely vulnerable. Populations have plummeted by 30 per cent over the last decade, leading to them being declared “near threatened” on the ...
It’s well known that many animals are particularly sensitive to high-frequency sounds that humans can’t hear. Many commercial pest repellers based on this principle are available, most of them ...
Radio-frequency (RF) control of an ultrasonic phononic crystal was achieved by encapsulating it in a composite of high k-10% KF-doped BaTiO 3 dielectric nanoparticles with poly(N-isopropylacrylamide) ...
Researchers have demonstrated a technique for detecting and controlling ultrahigh frequency sound waves at the nanometer scale. This represents an advance towards next generation ultrasonic imaging ...
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