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MP3 Players: How Loud Is Too Loud?
Loud, sustained sound can
damage tiny hairs in the
cochlea, and yet 80 percent
of people listen to personal
music devices at dangerous
levels above background
noise, a study by
... > full story
Helping The Deaf Hear
Otolaryngologists develop a
new, implantable hearing
aid. It works with a
transmitter worn behind the
ear that sends sound
vibrations from her deaf
side through the skull to
her good ear. It's called
... > full story
Two Ears Are Better Than One
Unlike other acoustical
devices such as hearing
aids, which just amplify
sounds, cochlear implants
mimic what happens inside
the ear, changing sound
waves into electrical
... > full story
New Combat Helmet
Wearing a helmet can make it
hard to figure which
direction sounds -- such as
gunfire -- is coming from.
Soldiers in Iraq are using a
new helmet, called the
Advanced Combat Helmet,
which is padded internally
... > full story
Browse Science Videos
1 to 10 of 22 videos
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Physiologists Investigate The Role Of Perception In Motion Sickness
The cause of motion sickness is being investigated by a researcher with a new idea: that the cause is movement, not perceptual differences. A series of motion-sickness-inducing tests shows that those ... > more -
Acousticians Improve Sound Quality of Cochlear Implants
In a new study, 34 normal-hearing and 18 cochlear-implant subjects were tested on three speech-perception tasks known to be notoriously difficult for cochlear-implant users: speech recognition with a ... > more -
Software
Educational Psychology
Computer Programming
Computer Science
Child Development
Computer Modeling
Software Engineers Develop Biofeedback Method for Singing Lessons
Keeping a beat or staying on-key can be acquired skills. Software engineers have designed a new software package to make that easier, turning your computer into a singing teacher. The system plots ... > more -
Eye Care
Disability
Computer Science
Information Technology
Artificial Intelligence
Distributed Computing
GPS Navigation System Gives Acoustical Warnings
Human factors psychologists have teamed up with computer scientists to develop technology that can do the job of a seeing-eye dog -- help the blind walk around safely and without getting lost. The ... > more -
Pediatric Neurologists Use MRI to Understand How Strokes Impair Verbal Abilities
Children who have speech-impairing strokes often learn to talk again, while adult stroke victims can lose their verbal abilities for good. By giving reading and verbal tests inside the MRI, ... > more -
Sea Urchins' Genetics Add To Knowledge Of Cancer, Alzheimer's And Infertility
Researchers are using the sea urchins to study and understand diseases like cancer, Alzheimer's disease, Parkinson's disease and muscular dystrophy. Although they are invertebrates, the creatures ... > more -
Electrical Engineers Develop Glove That Translates Sign Language
A new high-tech glove enables the translation of sign language into written text, facilitating communication for the hearing or speech impaired. The glove senses movements of the hand and fingers, ... > more -
Scientists Show Blue Light Can Help Reset Sleep Cycle
Teenagers' morning drowsiness is often caused by out-of-tune body clocks, in a condition known as "delayed sleep phase syndrome." Scientists now say that timing exposure to blue light -- avoiding it ... > more -
MRIs Peek into the Brains of Synesthesia Patients
Cognitive neuroscientists have now documented hundreds of cases of synesthesia -- the condition in which one sense triggers the response of a different one. Using functional magnetic resonance ... > more -
Psychologists, Human-Factors Engineers Design Computer-Generated Educational Outings
Psychologists Janis Cannon-Bowers and Alicia Sanchez are part of the team that created virtual reality field trips -- not just for fun, but to help children learn. Employing some of the latest ... > more
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