Health & Medicine
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Health & MedicineAdult mouse gut makes new neurons
Scientists find newborn nerve cells in the intestines of adult mice, suggesting a new line of research for treating intestinal disorders.
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Health & MedicineBPA: House tries to put feds on the spot
New legislation has a proviso asking for a reanalysis of a widely used plasticizer's safety.
By Janet Raloff -
Health & MedicineTwin towers fallout lingers
People who were near the World Trade Center on September 11, 2001, have high asthma and post-trauma stress rates years later.
By Nathan Seppa -
AnimalsNew HIV-1 group
Scientists have identified another variant of the virus that can cause AIDS.
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Health & MedicineThe not-so-dispensable spleen
Spleen plays more roles than previously known.
By Nathan Seppa -
Health & MedicineWhen BPA-free isn’t
A type of plastic that shouldn't contain a hormone-mimicking ingredient may have it anyway, Canadian government scientist find.
By Janet Raloff -
Health & MedicineCreating fat that burns calories
Researchers find a way to make energy-using brown fat from skin cells.
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ChemistryBeehive extract: Coming to the Tour de France?
Bees may have a performance-enhancing answer for hot blooded pursuits.
By Janet Raloff -
Health & MedicineThroat cancer from HPV proves treatable
Cancer of the throat caused by the human papillomavirus isn’t as deadly as such cancer that arises from other causes.
By Nathan Seppa -
AgricultureHow weed killers might protect our eyes: It’s corny
Herbicides can boost trace-nutrient concentrations in sweet corn.
By Janet Raloff -
ChemistryBrilliant blue for the spine
A study in rats suggests the blue dye similar to that found in popsicles and sports drinks may prevent cell death after spinal cord injury.
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Health & MedicinePre-chewed baby food can spread HIV
An age-old cultural practice may offer new dangers in the era of AIDS.
By Janet Raloff