News
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Can visiting a plant ruin an experiment?
Merely walking up to a plant and handling its leaves may skew outcomes in studies of predators attacking plants.
By Susan Milius -
Health & MedicineActive lung gene signals cancer spread
The newly discovered LUNX gene, active only in lungs and in lung tumors that have spread outside that organ, may help in determining which lung cancer patients are likely to suffer a recurrence.
By Nathan Seppa -
PhysicsSeeming sedate, some solid surfaces seethe
Although they're as orderly as bathroom-floor tiles, surface atoms of copper--and perhaps other solids--actually roam randomly and widely within their grid.
By Peter Weiss -
Health & MedicineColor array reveals breast cancer types
A suite of genes lights up when researchers probe for cancer.
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Health & MedicineSometimes an antibiotic is much more
By reining in destructive enzymes in the body, tetracyclines can thwart various diseases, including periodontal bone loss and cancer.
By Janet Raloff -
PaleontologyExtinctions Tied to Impact from Space
Evidence trapped in 250-million-year-old sediments may help researchers pin the ultimate blame for the massive extinctions that occurred then on the impact of an extraterrestrial object about 9 kilometers across.
By Sid Perkins -
Health & MedicineCalcium supplements for chocolate
Using soap chemistry, scientists prevented some of chocolate's saturated fat--and calories--from being absorbed.
By Janet Raloff -
Health & MedicineCan childhood diets lead to diabetes?
Prolonged consumption of foods that break down quickly into simple sugars appears to foster obesity and vulnerability to diabetes, an animal study shows.
By Janet Raloff -
ChemistryResearch shows why water acts weird
A new technique shows a link between water's unusual physical properties and its abnormal molecular structure.
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ChemistryNew all-metal molecules ape organics
Researchers have stumbled upon the first all-metal, aromatic molecules.
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Organ donations take family toll
Taiwanese people who donate organs from a deceased family member still support that decision 6 months later, despite frequently experiencing negative consequences related to their culture and religion.
By Bruce Bower -
Hormone therapy may prove memorable
Healthy, older women may be protected against losses of verbal memory that typically occur with age if they receive hormone-replacement therapy.
By Bruce Bower