All Stories
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Health & MedicineIn some cases, getting dengue may protect against Zika
A Zika outbreak in a Brazilian slum suggests that the timing of dengue infections may matter for protection against Zika.
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LifeEvolutionarily, grandmas are good for grandkids — up to a point
Women may live past their reproductive years because they help their grandchildren survive, but there are limits to that benefit.
By Sujata Gupta -
Health & MedicineIn the third trimester, a pregnant woman’s sense of personal space grows
Women’s sense of personal space grows to accommodate a larger belly during pregnancy, a small study suggests.
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Climate2018 was the fourth-hottest year on record, and it’s getting even hotter
Record-level rains and temperatures struck different regions of the world in 2018, the fourth warmest year on record.
By Jeremy Rehm -
ClimateCollapsing ice cliffs may not contribute to sea level rise
Scientists debate a controversial hypothesis that suggests that massive crumbling ice cliffs could speed up future sea level rise.
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Health & MedicineWhy some children may get strep throat more often than others
Kids with recurrent strep throat appear to have a defective immune response to the bacteria that cause the infections, a study finds.
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PlantsShutdown aside, Joshua trees live an odd life
Growing only in the U.S. Southwest, wild Joshua trees evolved a rare, fussy pollination scheme.
By Susan Milius -
GeneticsWhat FamilyTreeDNA sharing genetic data with police means for you
Law enforcement can now use one company’s private DNA database to investigate rapes and murders.
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AnimalsHow black soldier fly larvae can demolish a pizza so fast
When gorging together, fly larvae create a living fountain that whooshes slowpokes up and away.
By Susan Milius -
Planetary ScienceA basketball-sized rock hit the moon during the last lunar eclipse
Professional and amateur astronomers joined forces to analyze the impact.
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PhysicsLaser light can contain intricate, beautiful fractals
Fractals show up in cauliflower, seashells and now — lasers.
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Artificial IntelligenceArtificial intelligence is learning not to be so literal
Artificial intelligence is learning how to take things not so literally.