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AnimalsFearless tadpoles give invaders the edge
Clueless larvae don’t heed the scent of nonnative turtles, giving newcomers an edge over native species, a European study finds.
By Susan Milius -
Health & MedicineDiet and behavior changes may slow Alzheimer’s
A new study in dogs finds that antioxidants and enriched lifestyle can ward off symptoms, and suggests brain plaques may not be the cause of the disease.
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Health & MedicineSeparating wheat from chaff in celiac disease
Three partial proteins may trigger the T cell immune reactions that cause the symptoms of this intestinal ailment, new research shows.
By Nathan Seppa -
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Health & MedicineTaking some of the doubt out of IVF
Testing shows that a complex array of factors can be used to calculate the probability of in vitro fertilization success better than just using woman’s age as a guidepost.
By Nathan Seppa -
Health & MedicineGel shows promise against HIV
Scientists have developed the first topical treatment that can prevent HIV infection among women.
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LifeStuck in the past
Reprogrammed stem cells retain molecular memories of their former identities, two new studies show.
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ChemistryDifferent strokes
Though they share the same design, new micromachines are not a synchronized swimming team.
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PsychologyDNA variant may make heavy boozing a team sport
People who inherit a particular gene variant may find it more appealing to drink a lot of alcohol when they see others doing so.
By Bruce Bower -