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Tired Teens
Diagnosing sleep apnea -- a
chronic condition that
causes teen-agers to stop
breathing during sleep -- is
difficult and often means
staying at an overnight
sleep lab. A new test can
spot with problem with
... > full story
Waking up Teens
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
... > full story
Fly Jet Lag Free
The new Boeing 787
Dreamliner will be the first
of a new generation of
commercial aircraft provided
with a number of new
technologies to increase
comfort and reduce jet-lag.
Human-factors engineers have
... > full story
Diagnosing Alzheimer's Early
A new brain-imaging method
allows physicians to
diagnose Alzheimer's before
its onset. A radioactive dye
is injected in the blood and
travels to the brain, where
it attaches to plaque
... > full story
Browse Science Videos
1 to 10 of 56 videos
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Neuroendocrinologists Unlock Chemical Trigger to Puberty
Researchers have discovered the precise chemical chain reaction that could be the much-sought-after puberty trigger: The KiSS-1 gene, which produces a protein in the hypothalamus, a part of the ... > more -
Neurologists Use New Brain Scanning Device To Better Control Seizures
Doctors are now using a new kind of brain scan called magnetoencephalography (MEG), which measures brain activity in real time. In some cases, MEG can pinpoint the source of an epileptic seizure much ... > more -
Kinesiologists Design Tiny Treadmill To Help Balance Baby Steps In Downs Syndrome Infants
Kinesiologsts developed a tiny treadmill to help infants with Downs Syndrome learn to balance themselves earlier. Typically, these children learn how to walk at 24 to 28 months, later than the 12 ... > more -
Sociologists Weigh In On Obesity Increasing The Length Of Hospital Stays
Sociologists found a direct relationship between obesity and duration and frequency of hospital stays. Researchers found that, on average, obese persons stayed one and a half days longer than 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 -
Multiple Sclerosis Research
Multiple Sclerosis
Disability
Energy Technology
Today's Healthcare
Diseases and Conditions
Biomedical Engineers Use Electrical Stimulus To Help Patients Lift Their Feet
Physical Therapists are helping people with central nervous system disorders learn to walk again. A wireless computer-enabled device aids those suffering from a condition called foot drop, which ... > more -
Neurosurgeons Cut Surgical Procedure Time with New Device
In a method called deep brain stimulation, certain movement disorders are treated by implanting wires in the brain that deliver electrical signals. The surgical procedure can last up to eight hours, ... > more -
Human Factors Researchers Measure Attention Given To Walking
Psychologists used an infrared camera to record reflections of the cornea to measure the amount of attention paid by someone walking on unfamiliar terrain. They found that even though walking seems ... > 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 -
Neurosurgeon Devises MRI-Based Technique to Diagnose Sciatica
Up to 40 million American suffer from sciatica pains, but the condition is often not diagnosed correctly. A new imaging technique uses a specially tuned MRI scan to image nerves and highlight them ... > more
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