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Koalas' low-pitched voice explained by unique organ
The pitch of male koalas' mating calls is about 20 times lower than it should be, given the Australian marsupial's relatively small size. (2013-12-02)
Aural feedback for oral hygiene
Researchers in Japan have discovered that how effectively we clean our teeth and how satisfied we are with the brushing job we do depends a lot on the sound of the bristles scrubbing against the enamel. (2015-12-11)
Engineers develop way of detecting problems with artificial hip joints
A more efficient way of detecting loosened artificial hip implants, which affect thousands of people every year, has been developed. (2007-08-02)
Improved speech without vocal cords
Dutch otolaryngologist Marein van der Torn hoped to develop a prosthesis that would improve the voice of people who had lost their vocal cords. (2005-12-19)
Hospital Noise Disrupts Sleep For Patients, In The Critical Care Setting
Excessive noise pollution at night may be an important cause of sleep disruption in hospitalized elderly patients. (1997-01-15)
Designing an acoustic diode
Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. (2013-11-01)
New findings on how the ear hears could lead to better hearing aids
A healthy ear is much better at detecting and transmitting sound than even the most advanced hearing aid. (2013-08-20)
It's not over when it's over: Storing sounds in the inner ear
Research shows that vibrations in the inner ear continue even after a sound has ended, perhaps serving as a kind of mechanical memory of recent sounds. (2011-04-05)
Frogs that hear with their mouth
Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum yet can croak themselves, and hear other frogs. (2013-09-02)
Fantastic phonons: Blocking sound, channeling heat with 'unprecedented precision'
The phonon, like the photon or electron, is a physical particle that travels like waves, representing mechanical vibration. (2013-11-13)
Mathematicians find way to improve medical scans
Mathematicians at the University of Liverpool have found that it is possible to gain full control of sound waves which could lead to improved medical scans, for technology such as ultrasound machines. (2008-01-07)
How the 'mute' cicada sings
'Mute' cicadas may use the sound of wing impact to communicate. (2015-02-25)
Lobsters play biological violins
A Duke University graduate student has discovered that spiny lobsters make sound using the biological equivalent of a violin - the first time such a mechanism has been found in nature. (2001-05-08)
Sound and vision work hand in hand, UCLA psychologists report
Our senses of sight and hearing work closely together, perhaps more so than people realize, a new UCLA psychology study shows. (2011-12-08)
Study reveals an absence of consistent standards in children's hospital environments
The sound, light and temperature levels in pediatric hospital wards often vary, highlighting the lack of consistent environmental standards, according to a new study. (2015-04-15)
High-resolution acoustic system detects objects buried in soil
Archaeologists soon may be using sound waves to survey potential building sites for significant cultural artifacts, say researchers at the University of Illinois. (2000-10-03)
Chandra 'hears' a black hole
NASA's Chandra X-ray Observatory detected sound waves, for the first time, from a super-massive black hole. (2003-09-09)
The sound of seduction
Flirtation may seem largely visual -- the preening, the coy eye contact -- but voice plays a role, too. (2010-05-20)
New sound gun can detect dangerous chemicals
How do you tell the difference between an ordinary fuel drum and a barrel of nerve gas? (1999-10-26)
Natural selection as we speak
Shared properties of human languages are not the result of universal grammar but reflect self-organizing properties of language as an evolving system. (2005-02-18)
Jumping spiders can hear sound without eardrums
There really is a 'spider sense.' With help from Binghamton University's Ron Miles, researchers found that despite not having ears -- or ear drums -- jumping spiders can perceive airborne sound. (2016-10-31)
UB takes important steps toward understanding how animals make sense of the auditory world
Sit down with a friend in a quiet restaurant and begin talking, just before the dinner crowd's arrival. (2015-06-17)
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 to vibrations. (2010-11-08)
Island ferries take on role of research vessels collecting data about Nantucket Sound
Ferries that connect Cape Cod and the islands of Martha's Vineyard and Nantucket are taking on another role -- research vessels. (2006-08-29)
Excessive ICU noise may harm patients
New research shows that overnight noise levels in the medical ICU often exceed recommended levels, which could potentially lead to worse outcomes. (2012-10-22)
UNSW researchers discover how the brain balances hearing between our ears
UNSW researchers have answered the longstanding question of how the brain balances hearing between our ears, which is essential for localizing sound, hearing in noisy conditions and for protection from noise damage. (2015-05-12)
World's first handheld sound camera ready for market
Professor Seok-Hyung Bae from the Department of Industrial Design at KAIST, together with SM Instruments, Inc., a venture company established by a KAIST graduate Young-Key Kim, developed a handheld sound camera, which is the first of its kind in the world, to easily detect noises arising from such sources as heavy machinery, home appliances, vehicles, and vessels. (2013-05-08)
UA phononics pioneer probes the untapped powers of sound
A founder of phononics, the emerging science of sound, receives $1.8 million from the NSF to bend acoustic waves in nature-defying ways. (2016-08-17)
Just a few years of early musical training benefits the brain later in life
Older adults who took music lessons as children but haven't actively played an instrument in decades have a faster brain response to a speech sound than individuals who never played an instrument, according to a study appearing Nov. (2013-11-05)
Quantum leap for phonon lasers
Physicists have taken major step forward in the development of practical phonon lasers, which emit sound in much the same way that optical lasers emit light. (2010-02-21)
Studying, recreating sound in three dimensions
Realistic computer sound, specifically tuned for each listener, could get a little closer using a new, free public database of acoustic measurements developed by researchers at the University of California, Davis. (2001-12-06)
Boat noise stops fish finding home
Boat noise disrupts orientation behavior in larval coral reef fish, according to new research from the Universities of Bristol, Exeter and Liège. (2013-06-28)
Study finds new role for protein in hearing
University of Iowa scientists have discovered a new role for a protein that is mutated in Usher syndrome, one of the most common forms of deaf-blindness in humans. (2011-08-15)
Yale scientists amplify light using sound on a silicon chip
Yale scientists have found a way to greatly boost the intensity of light waves on a silicon microchip using the power of sound. (2016-06-13)
Using spatial illusion to learn how the brain processes sound
In a paper published in the June 17 issue of Nature, U-M scientist describe how localization errors made by nerve cells in the brains of cats exposed to filtered sounds are consistent with errors made by humans in previous experiments. (1999-06-16)
Mystery solved
Answering a question that has lingered for centuries, a team of scientists has proved that chemicals used to treat the wood used in Stradivarius and Guarneri violins are the reasons for the distinct sound produced by the world-famous instruments. (2006-11-29)
'Bionic ear' implanted by Penn surgeons to give hearing to the deaf: FDA-approved device provides the world's fastest hearing technology
Doctors at the University of Pennsylvania Medical Center's Department of Otorhinolaryngology are now surgically implanting the recently FDA-approved (2001-07-30)
How music alters the teenage brain
Music training, begun as late as high school, may help improve the teenage brain's responses to sound and sharpen hearing and language skills, suggests a new Northwestern University study. (2015-07-20)
Cats seem to grasp the laws of physics
Cats understand the principle of cause and effect as well as some elements of physics. (2016-06-14)
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