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HumansBabies may sense others’ worldviews earlier than thought
New study suggests 7-month-olds can recognize that other people's beliefs don't always match reality.
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HumansGoogle a bedbug today
With no good technological solutions, entomologists call on the public to remain eternally vigilant against a resurgent foe.
By Susan Milius -
Health & MedicineGiant rats detect tuberculosis
Animals can be trained to sniff out TB in sputum samples, adding to accuracy of microscope test, a study from Tanzania shows.
By Nathan Seppa -
Health & MedicineChildhood epilepsy that lasts into adulthood triples mortality
The added risk occurs in patients whose seizures persist, a 40-year study in Finland shows.
By Nathan Seppa -
LifeNeandertal relative bred with humans
Known only through DNA extracted from a scrap of bone, a Siberian hominid group suggests a much more complicated prehistory for Homo sapiens.
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SpaceSouth Pole neutrino detector complete
Scientists lower the last of more than 5,000 sensors into the Antarctic ice, completing the mile-deep IceCube observatory.
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LifeGenes separate Africa’s elephant herds
Genetic work reveals forest and savanna pachyderms as distinct species.
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HumansPeriodic table gets some flex
IUPAC committee replaces fuzzy atomic weights with more accurate ranges
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SpaceSpace rock surprise
Meteorite analysis suggests it may be possible to make amino acids in the absence of water, boosting the chances of finding life elsewhere in the universe.
By Ron Cowen -
LifeGene genesis
About a quarter of present-day life's DNA blueprint had been sketched out by 2.8 billion years ago, a new analysis finds.
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AnimalsFemale chimps play with ‘dolls’
Youngsters mimic mothering by cradling sticks, reigniting debate over sex differences in toy choices.
By Bruce Bower -
SpaceCosmic reincarnation idea may be dead
Cosmological patterns that were recently put forth as evidence for a pre–Big Bang universe are easily explained by current theory, critics say.
By Ron Cowen