Health & Medicine
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Health & MedicineA more accurate prenatal test to predict Down syndrome
A test to detect genetic problems such as Down syndrome examines a baby’s DNA in the mother’s blood and may limit the need for more invasive screening.
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Health & MedicineInjured baby hearts may be coaxed to regenerate
Shots of a growth factor protein reduce cell death in infant mice with heart damage.
By Nathan Seppa -
Health & MedicineOlder moms may have options to reduce newborns’ risks
Although babies born to older mothers face a higher danger of congenital heart defects, exercising moms may offset this added risk, a study in mice shows.
By Nathan Seppa -
TechExoskeleton boot makes for more efficient walking
Newly developed exoskeleton boots that are unpowered are showing scientists that it is still possible to make walking even more efficient for humans.
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MicrobesSome superbugs lurk in Britain’s surf
In Great Britain’s coastal waters, surfers and swimmers are exposed to low levels of drug-resistant E. coli, a new study finds.
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HumansEgg-meet-sperm moments are equal opportunities for girls and boys
Despite previous claims, equal numbers of male and female embryos are conceived, new data suggest.
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Health & MedicinePerformance gains from Tommy John surgery still up for debate
Major league baseball pitchers who undergo two Tommy John surgeries have shorter careers than peers who don’t have the surgery, a new study finds.
By Nathan Seppa -
Science & SocietyWhite House unveils strategy against antibiotic resistance
The Obama Administration has launched a long-term plan to curb antibiotic resistance, unveiling incentives and requirements designed to boost surveillance and diagnosis of resistant microbes.
By Nathan Seppa -
GeneticsIceland lays bare its genomes
A detailed genetic portrait of the Icelandic population is helping scientists to identify the genetic underpinnings of disease.
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ChemistryAir pollution molecules make key immune protein go haywire
Reactive molecules in air pollution derail immune responses in the lung and can trigger life-long asthma.
By Beth Mole -
Health & MedicineClean-up gene gone awry can cause Lou Gehrig’s disease
Scientists have linked mutations on a gene involved in inflammation and cell cleanup to ALS, or Lou Gehrig’s disease.
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ChemistryToday’s pot is more potent, less therapeutic
The medicinal qualities of marijuana may be up in smoke thanks to years of cross-breeding plants for a better buzz.
By Beth Mole