Uncategorized
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Dopamine gene ups schizophrenia risk
A long-term study of children with a rare chromosome deletion indicates that those who have a single copy of a gene that promotes a dopamine overload in the brain have an above-average risk of developing schizophrenia later in life.
- Health & Medicine
Breath test could detect bad microbe
Using machines that identify component parts of gases, scientists can now detect markers of a dangerous fungal infection in the lungs of people just by analyzing their breath.
- Anthropology
Chimps indifferent to others’ welfare
New laboratory experiments suggest that chimpanzees, unlike people, don't care about the welfare of unrelated members of their social groups.
- Physics
A matter of gravity
Gravity Probe B has finished its test of general relativity but results of the study won't be known for another year.
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Questions on the Couch
A new policy statement on evidence-based practice from the American Psychological Association illustrates the intense struggle among researchers and clinicians over how best to study the effectiveness of psychotherapy in its many forms.
- Math
Pushing the Limit
Scientists are moving closer to constructing superefficient, noisefree data-transmission codes.
- Math
Ask-a-Friend Marketplaces
If you ask enough friends, paying for answers to questions can help you get the answers you need from a social network.
- Humans
From the October 26, 1935, issue
Electric light without wires, lab-grown flu virus, and superhard glass.
- Astronomy
Spooky Sounds of Saturn
For Hallowe’en, tune in to eerie, bizarre sounds from the Saturnian system. These NASA Jet Propulsion Lab Web pages provide sound files based on magnetometer data from Cassini spacecraft observations of Saturn’s moon Enceladus, radar echoes from Titan’s surface, Saturn’s radio emissions, and more. Go to: http://saturn.jpl.nasa.gov/multimedia/sounds/
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Read My Gestures: Body language can trump facial expressions
Body language can influence the perception of emotion on a person's face.
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Left Out by a Stroke: Right-brain injury may upset attention balance
People who suddenly ignore everything to their left after suffering a right-brain stroke display disturbed activity in uninjured parts of a widespread neural network associated with attention.
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SNPs Ahoy! Scientists complete map of genetic differences
A new map that delineates small genetic differences among people may be a powerful tool for figuring out why some individuals get certain diseases and how to customize their treatments.
