News tagged with high frequency sounds


Good vibrations: Devices aid the deaf by translating sound waves to vibrations

Good vibrations: Devices aid the deaf by translating sound waves to vibrations

Technology / Engineering

created Feb 26, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.





Search results for high frequency sounds


How young mice phone home: Study gives clue to how mothers' brains screen for baby calls

How young mice phone home: Study gives clue to how mothers' brains screen for baby calls

Medicine & Health / Neuroscience

created Jun 10, 2009 | popularity 5 / 5 (1) | comments 0

Emory University researchers have identified a surprising mechanism in the brains of mother mice that focuses their awareness on the calls of baby mice. Their study, published June 11 in Neuron, found that t ...


Shifting sound to light may lead to better computer chips

Shifting sound to light may lead to better computer chips

Physics / General Physics

created Mar 16, 2009 | popularity 4 / 5 (4) | comments 0

By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.


Manatees can probably hear which directions boats approach from

Biology / Plants & Animals

created Jun 12, 2009 | popularity not rated yet | comments 2

The world is a perilous place for the endangered manatee. While the mammals are at risk from natural threats, human activity also poses a great danger to manatee numbers. Debborah Colbert, from the Association of Zoos and ...


What Did Dinosaurs Hear?

Biology /

created Jun 04, 2007 | popularity 3.8 / 5 (13) | comments 0

What did dinosaurs hear? Probably a lot of low frequency sounds, like the heavy footsteps of another dinosaur, if University of Maryland professor Robert Dooling and his colleagues are right. What they likely couldn't hear ...


Moths mimic sounds to survive

Biology /

created May 31, 2007 | popularity 5 / 5 (5) | comments 0

In a night sky filled with hungry bats, good-tasting moths increase their chances of survival by mimicking the sounds of their bad-tasting cousins, according to a new Wake Forest University study.


O. tormota

Ultrasonic frogs can tune their ears to different frequencies

Biology /

created Jul 22, 2008 | popularity 4.6 / 5 (8) | comments 5

Researchers have discovered that a frog that lives near noisy springs in central China can tune its ears to different sound frequencies, much like the tuner on a radio can shift from one frequency to another. ...


Blue whale

Blue whales singing with deeper voices

Biology / Plants & Animals

created 20 hours ago | popularity 4.3 / 5 (7) | comments 7

(PhysOrg.com) -- Blue whales, the largest animals on earth, are singing with deeper voices every year, but scientists are unsure of the reason.


Looking for the origins of music in the brain

Medicine & Health / Neuroscience

created Oct 20, 2009 | popularity 3.5 / 5 (4) | comments 2

Music serves as a natural and non-invasive intervention for patients with severe neurological disorders to promote long-term memory, social interaction and communication. However, there is currently no plausible explanation ...


Scientists discover ultrasonic communication among frogs

Scientists discover ultrasonic communication among frogs

Biology / Plants & Animals

created May 11, 2009 | popularity 5 / 5 (4) | comments 1

(PhysOrg.com) -- UCLA scientists report for the first time on the only known frog species that can communicate using purely ultrasonic calls, whose frequencies are too high to be heard by humans. Known as ...


Researchers investigate ultrasound use to treat cancer

Researchers investigate ultrasound use to treat cancer

Medicine & Health / Cancer

created Aug 26, 2009 | popularity 5 / 5 (1) | comments 1

(PhysOrg.com) -- It’s hard to imagine that cells and sound are related, but they are. According to one Ryerson University researcher, this relationship could mean big changes in cancer treatment, including ...



List of search results for high frequency sounds