News
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Tech
Chair becomes personalized posture coach
Pressure imprints made by a person in a chair provide a new type of computer input useful for tracking posture or, perhaps, other clues to someone's activities and state of mind.
By Peter Weiss -
Health & Medicine
Path to heart health is one with a peel
Consuming lots of oranges and other citrus fruits, or their juices, can trigger beneficial, cholesterol-moderating changes in the blood.
By Janet Raloff -
Astronomy
Variable quasar may help measure the cosmos
A flickering cosmic mirage, recorded for the first time in X rays, promises to provide a new estimate of how rapidly the universe is expanding.
By Ron Cowen -
Wild tobacco heeds ‘ouch’ from sagebrush
Biologists studying wild tobacco and sagebrush say they have found a case of interspecies plant communication in the field.
By Science News -
Untreated schizophrenia may spare brain
Contrary to the fears of some researchers, treatment delays for schizophrenia may not worsen brain deficits associated with the mental disorder.
By Bruce Bower -
Health & Medicine
Gene therapy might keep arteries open
Tiny steel-mesh tubes coated with a DNA-containing polymer could prevent arteries from becoming reclogged after cardiovascular treatment.
By Laura Sivitz -
Earth
New database describes all the marbles
Analyses of the isotope ratios of carbon and oxygen in hundreds of samples of Greek marble may help researchers identify the quarries that supplied the stone for some of Europe's most famous statues and architecture.
By Sid Perkins -
Chemistry
Chemistry Catches Cocaine at Source
Scientists have devised a method for identifying cocaine's geographical origin by determining the chemical signatures of five distinct coca-growing regions in the Andes.
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Earth
Long dry spell
Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.
By Sid Perkins -
When Protein Breakdown Breaks Down: Bacterial toxin yields signs of Parkinson’s
Certain compounds that hinder cells from destroying waste proteins can produce symptoms of Parkinson's disease in rats.
By Ben Harder -
Materials Science
Cool Magnet: A little bit of iron gives magnetic refrigeration a boost
An improved material moves magnetic refrigeration one step closer to commercial reality.
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Mr. Universe Jr.: Child’s gene mutation confirms protein’s role in human-muscle growth
A boy born with extra-large muscles has mutations in a gene regulating muscle growth.
By John Travis