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Science Of Stress
Dermatologists know that
stress can cause hair to
fall out, acne to break out,
and many other problems.
These manifestations of
stress can cause even more
anxiety. Stress causes
cortisol levels to increase
... > full story
Space Pilot for Computers
An alternative to the mouse,
the SpacePilot 3D motion
controller combines
programmable keys with a
circular controller that can
sense and adapt to the
user's needs. In a recent
... > full story
Pinpointing Problems In The Brain
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
... > full story
Preventing Summer Heat Deaths
A University of Miami
geography professor and his
colleagues have crafted a
Heat Stress Index that will
aim to analyze the daily
relative effects of weather
on human health. The index
... > full story
Browse Science Videos
1 to 10 of 107 videos
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Cardiologists Use Medical Physics to Pinpoint Cause of Chest Pains
Unless a patient with chest pain is checked out right away, it can be difficult to diagnose a heart condition, as opposed to less life-threatening causes such as heartburn. A new stress test can spot ... > more -
Scientists Discover New Genes Linked To Rheumatoid Arthritis
A University of Michigan Medical School rheumatologist and his colleagues are beginning to comprehend how identical twins can be so different when it comes to the development of diseases such as ... > more -
Ergonomists Find Kids Too Are at Risk From Repetitive Strain Injuries
Ergonomists say that, even in teens, poor body posture and incorrect positioning of the keyboard, screen, and mouse are contributing to the risk of contracting neck and back pains and even carpal ... > more -
Ergonomists Measure Benefits of Keyboard for Smaller Hands
A new, smaller-sized piano keyboard helps smaller players conquer complex piano pieces -- without missing a note traditional-size keyboards are too big for many pianists, causing pain and injury. The ... > more -
Anesthesiologists Use Nerve Blocks As Alternative To General Anesthesia
Anesthesiologists use ultrasound to locate peripheral nerves, then inject a nerve numbing medication into the area. A single injection leaves a limb numb for several hours or a day. The medication is ... > more -
Cardiologists Discover New Enzime that Predicts Risk of Heart Attack
MPO, or myeloperoxidase,is an enzyme produced by white blood cells. High levels of MPO predict a heart attack, the need for invasive intervention, or cardiac death within the next six months with ... > more -
Psychiatrists Can Now Predict An Individual Patient's Response To A Drug
The first in a new generation of gene microarrays, computer chips that chemically or electrically express DNA, can predict how a person's body will metabolize about 25 percent of drugs on the market, ... > more -
Physiologists Create Undergarment To Measure Vital Signs Of Firefighters
Industrial hygienists designed a flexible undergarment to take accurate readings of vital signs such as heart rate, breathing rate, and body temperature. They monitor these indicators to protect ... > more -
Gastroenterologists Use Optics To Detect Early Stages Of Colon Cancer
Biomedical engineers have developed a new technique to detect colon cancer. A thin optical fiber shines light onto the interior of the colon. Computer analysis of the backscattered light indicates if ... > more -
Environmental Toxicologists Link Household Bacteria to Asthma
Scientists have found that chemicals called endotoxins can inflame airways and trigger asthma. Endotoxins are shed by bacteria in household dust. Experts say better home hygiene, washing bed linens ... > more
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