Uncategorized
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GeneticsDogs’ origins lie in Europe
First domesticated canines did not live in China or Middle East, a study of mitochondrial DNA finds.
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PhysicsSingle photon detected but not destroyed
Researchers build first instrument that can witness the passage of a light particle without absorbing it.
By Andrew Grant -
Quantum PhysicsQuantum information storage that lasts and lasts
Physicists have stored a snippet of quantum information at room temperature for more than 1,000 times the previous record.
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NeuroscienceTeenagers act impulsively when facing danger
Brain activity may help explain why crime peaks during the teenage years.
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Health & MedicinePrion mutation yields disease marked by diarrhea
Rare prion ailment starts in adulthood, attacking the gut before brain.
By Nathan Seppa -
LifeHow to kill the last microbes standing
Chemical wipes out bacteria that linger after antibiotic treatment.
By Beth Mole -
HumansBigger numbers, not better brains, smarten human cultures
An experiment using a computer game supports the idea that big populations drove the evolution of complex human cultures.
By Bruce Bower -
PhysicsSingle atoms hold on to information
Minutes-long data storage by individual atoms beats previous record of tiny fraction of a second.
By Andrew Grant -
OceansExtremely salty water is at least 100 million years old
Supersaline sediments off East Coast shed light on Atlantic Ocean’s early history.
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NeuroscienceBacteria may transfer mom’s stress to fetus
Expecting mice under psychological pressure passed different mix of microbes to their pups, affecting the babies’ brains.
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LifePenguin’s flight from Antarctica clocked
A climate shift millions of years ago may have forced the birds’ ancestors to flee to warmer digs.
By Beth Mole -
AnimalsSea slug mating features a stab in the head
Newly discovered hermaphroditic sea slug deploys specialized needle-thin organ for injections near the eyes.
By Susan Milius