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Expert Reactions

Question marks over ultrasound and health – Experts respond

John Kerr posted in on January 20th, 2016.

Ultra-high frequency noise is imperceptible to the human ear but could be harming us, according to one researcher concerned with a lack of research into the phenomenon. Writing in Proceedings of the Royal Society A, Prof Tim Leighton from the University of Southampton highlighted the high levels of ultrasound – sound waves with frequencies higher than […]

3 News: Scientists discover ‘screaming’ tadpoles

Peter Griffin posted in on April 16th, 2010.

Dan Satherley writes about the discovery by scientists of tadpoles which let out an audible, high-pitched ‘scream’ when distressed. Previously, it was thought that all tadpoles were mute. An excerpt: (read in full here) “Dr Guillermo Natale was studying the species’ mating calls, when he tried to catch a tadpole in a net. “He told […]

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