
New Booze Busting Device
Using optical technology,
engineers created a way to
measure the amount of
alcohol in a driver’s
skin. They use near-infrared
absorption spectroscopy to
measure blood alcohol
... > full story

Men Are From Mars
Functional magnetic
resonance imaging of men and
women under stress showed
neuroscientists how their
brains differed in response
to stressful situations. In
men, increased blood flow to
the left orbitofrontal
... > full story

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

New Road Signs
A new font called Clearview
appears on new road signs,
making them easier to read
even at night. Developed by
a team that included civil
engineers, graphic
designers, psychologists,
and vision experts, the new
... > full story
Browse Science Videos
1 to 10 of 29 videos
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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 -
Psychiatrists Can Predict Onset of Alzheimer's with New EEG Test
Using new computer software that analyzes EEG data, psychiatrists can now better distinguish early signs of Alzheimer's from normal aging, by spotting marked differences between the left and right ... > 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 -
Engineers Create New Helmet to Help Troops Hear Better on Battlefield
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 ... > more -
Psychologists Link Hitting Skills to Vision
Cognitive psychologists have discovered that baseball skills correlate with how a player sees the ball: Athletes who see the ball bigger than it is tend to perform better. In the experiments, ... > more -
Neurosurgeons Can Now Remove Brain Cancer Endoscopically
For more than a century, neurosurgeons have accessed the brain through the nose, but only recently did they successfully removed tumors with such minimally invasive procedures, leading to patients' ... > more -
Doppler Sonography Helps Psychologists Measure Attention Levels
Psychologists are finding out that even when people try to focus on a task they tend to lose concentration within 40 minutes, and sometimes as little as 10 minutes. The studies are based on a new ... > more -
Cognitive Psychologists Show Conversations Lower Visual Abilities
A study showed that the part of the brain that controls vision becomes less active when people focus on something visually while having a conversation -- underscoring the hazards of talking on your ... > 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 -
Neurosurgeonýs Drive Propels Him From Border Fence To Faculty
Physician scientist Alfredo Quinones has come a long way since illegally entering the United States. Today he is a faculty member at Johns Hopkins University. Quinones is a respected brain surgeon ... > more
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