Humans
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineMany drug trials never see publication
Results of most drug trials are unreported, inaccessible to clinicians and patients, a new study confirms.
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HumansIs Your Fish Oil Polluted?
Clues to gauging the likely purity of fish-oil capsules.
By Janet Raloff -
Health & MedicineBrain reorganizes to make room for math
New research suggests that, as children learn arithmetic, the brain reorganizes dramatically as it shifts from handling only estimates of quantities to attaching precise quantities to symbolic numerals.
By Bruce Bower -
HumansWhen Not to Flush
Toilets are not where we should be disposing of unwanted medicines.
By Janet Raloff -
EarthAntidepressants Aren’t for Fish
Antidepressants can play potentially dangerous mind games with fish.
By Janet Raloff -
Health & MedicineTreat HIV-positive babies from the start
Babies who are born infected with HIV from their mothers should be treated for the virus as soon as possible, even before symptoms begin, a study finds.
By Nathan Seppa -
Health & MedicineMinus one gene, male mouse is Mr. Mom
The last day of the Society for Neuroscience annual meeting offers new ideas on gender-based behavior, the genetics of creativity, the brain power of motherhood and the non-randomness of blinking.
By Science News -
Health & MedicineSleep makes room for memories
Sleep erases old memories to make way for new learning
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Health & MedicineThis is the teenager’s brain on peer pressure
Research shared during the fourth day of the Society for Neuroscience annual meeting remained diverse: What happens in the brain when teenagers feel peer pressure, a study in mice suggesting a new way to treat depression, the best way to relearn walking after a stroke, and the long lasting effects of disrupted sleep.
By Science News -
HumansWhat an Acid Bath!
One fallout of space shuttle launches can be a transient change in water pH.
By Janet Raloff -
Health & MedicineGinkgo biloba fails drug test
The herbal supplement Ginkgo biloba fails to prevent Alzheimer’s disease or other dementia, a large trial finds.
By Nathan Seppa -
EarthIt’s Night: Why’s It So Light?
We're wasting scads of energy while much of the world sleeps.
By Janet Raloff