News
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NeuroscienceNets full of holes catch long-term memories
Tough structures that swaddle nerve cells may store long-term memories.
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AnimalsDNA trail leads to new spot for dog domestication
A new study suggests that dogs were first domesticated in Central Asia.
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NeuroscienceSigns of Huntington’s show up in the brain in childhood
Hints of Huntington’s disease show up in the brain long before symptoms do.
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PaleontologyNew evidence weakens case against climate in woolly mammoths’ death
Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.
By Meghan Rosen -
PaleontologyDimetrodon’s diet redetermined
The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.
By Meghan Rosen -
AnthropologySleep time in hunter-gatherer groups on low end of scale
Hunter-gatherer communities in Africa and South America have similar sleeping patterns as people living in postindustrial societies, researchers find.
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NeuroscienceAdolescent brains open to change
Adolescent brains are still changing, a malleability that renders them particularly sensitive to the outside world.
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AnthropologyLong before going to Europe, humans ventured east to Asia
Cave finds indicate modern humans reached southern China long before entering Europe.
By Bruce Bower -
EnvironmentAir pollutants enter body through skin
Although scientists have largely viewed skin as an unimportant portal to blood for toxic air pollutants, new human data show that skin can surpass lungs as a route of entry.
By Janet Raloff -
GeneticsGene editing makes pigs safer for human transplants
CRISPR/Cas9 disables multiple viruses at one time
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Quantum PhysicsFuture quantum computing could exploit old technology
Silicon transistors have been modified and patched together to form logic gates that could perform calculations in future quantum computers.
By Andrew Grant -
OceansOxygen in Black Sea has declined by more than a third since 1955
The Black Sea’s oxygen-rich surface layer shrank by more than a third from 1955 through 2013, compressing marine habitats and bringing toxic hydrogen sulfide closer to the surface.