News tagged with airborne sound

Were our tetrapod ancestors deaf?

A research group led by Jakob Christensen-Dalsgaard, University of Southern Denmark, have shown that the closest living relatives of the tetrapods, the lungfish, are insensitive to sound pressure, but sensitive ...

dateNov 08, 2010 in Plants & Animals
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Researchers reveal how hearing evolved

Lungfish and salamanders can hear, despite not having an outer ear or tympanic middle ear. These early terrestrial vertebrates were probably also able to hear 300 million years ago, as shown in a new study ...

dateFeb 06, 2015 in Evolution
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NASA support key to glacier mapping efforts

Thanks in part to support from NASA and the National Science Foundation, scientists have produced the first-ever detailed maps of bedrock beneath glaciers in Greenland and Antarctica. This new data will help ...

dateSep 30, 2014 in Earth Sciences
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Bats change strategy when food is scarce

Echolocating bats have historically been classified into two groups: 'loud' aerial hawkers who catch flying insects on the wing and 'whispering' gleaners that pick up prey from the ground. While some bat ...

dateSep 04, 2014 in Plants & Animals
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Why do snakes flick their tongues?

Many people think a snake's forked tongue is creepy. Every so often, the snake waves it around rapidly, then retracts it. Theories explaining the forked tongues of snakes have been around for thousands of ...

dateJul 31, 2014 in Plants & Animals
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