All Stories
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LifePlacenta protectors no match for toxic Strep B pigment
Strep B uses a toxic pigment made of fat to kill immune system cells, spurring preterm labor and dangerous infections, a monkey study shows.
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Health & MedicineBaby-led weaning is safe, if done right
Babies who fed themselves solid foods, called baby-led weaning, were no more likely to choke than spoon-fed babies, a new study finds.
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ComputingAI system learns like a human, stores info like a computer
A new artificial neural network hooked up to extra memory can learn to solve complex problems.
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ComputingAI system learns like a human, stores info like a computer
A new artificial neural network hooked up to extra memory can learn to solve complex problems.
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AstronomyCosmic census of galaxies updated to 2 trillion
A new census of the cosmos suggests that there might be 2 trillion galaxies in the observable universe, about 10 times as many as previous estimates.
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PsychologyErasing stigma needed in mental health care
Social forces drive those in need away from mental health care.
By Bruce Bower -
LifeOne-celled life possessed tools for going multicellular
Unicellular ancestors of animals had molecular tools used by multicellular life.
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GeneticsHow gene editing is changing what a lab animal looks like
What makes a good animal model? New techniques bring opportunities and challenges to model organisms.
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AnimalsHot and spicy pain signals get blocked in naked mole-rats
Naked mole-rats have a protein that interrupts pain signal.
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AnimalsHot and spicy pain signals get blocked in naked mole-rats
Naked mole-rats have a protein that interrupts pain signal.
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LifeOcean archaea more vulnerable to deep-sea viruses than bacteria
Deep-sea viruses kill archaea disproportionately more often than bacteria, a killing spree with important impacts on the global carbon cycle.
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PaleontologyBirds’ honks filled Late Cretaceous air
Oldest avian voice box fossil yet discovered belonged to a ducklike bird that lived during the age of the dinosaurs.
By Meghan Rosen