News
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ChemistryReceipts a large — and largely ignored — source of BPA
A host of small studies raises a big alarm about exposure to a hormone-mimicking chemical.
By Janet Raloff -
Health & MedicineGut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
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LifeMarine census still counting new life-forms
The Gulf of Mexico ranked among the top five marine regions for number of known species.
By Susan Milius -
LifeDisabling cellular assassin prevents cancer
A counterintuitive experiment may help explain why survivors are more vulnerable to other malignancies later in life.