News
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Not So Wimpy: Antimalarial mosquito has an edge in tests
For the first time, mosquitoes engineered to resist malaria have shed their underbug image and outperformed regular mosquitoes in a lab test.
By Susan Milius -
Planetary ScienceSolar-staring spacecraft shows its flare
A new image of the sun's chromosphere, a layer sandwiched between the sun's visible surface and its outer atmosphere, shows a surprisingly complex structure of filaments of roiling gas that promises to shed new light on why the sun erupts.
By Ron Cowen -
Health & MedicineBalancing Act: Excess steroids during pregnancy may pose risks for offspring
Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.
By Nathan Seppa -
Health & MedicineRisky Flames: Firefighter coronaries spike during blazes
A disproportionate number of heart disease deaths among firefighters occur during blazes.
By Brian Vastag -
PhysicsCloser to Vanishing: Bending light as a step toward invisibility cloaks
Invisibility cloaks may be a long shot, but new optical tricks could help in the design of future computers.
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ChemistryWaistline Worry: Common chemicals might boost obesity
A family of chemicals implicated in testosterone declines may also be contributing to recent spikes in obesity and diabetes.
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EarthYoung and Restless: Ancient Earth shows moving crust
The oldest rocks in the world show that Earth's shifting crust began its tectonic movements almost 4 billion years ago.
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Gene predicts sleepy performance
Variants in a circadian-rhythm gene predict how well people perform mental tasks when sleep deprived.
By Brian Vastag -
EarthWorld’s climate map gets an update
A century-old system of categorizing the world's climates has been updated to include modern weather data, thereby providing researchers with a tool to better verify results of their computer simulations.
By Sid Perkins -
Health & MedicineHepatitis B found in wrestlers’ sweat
Traces of hepatitis B have turned up in the perspiration of wrestlers, suggesting that the virus could spread to their opponents and teammates.
By Nathan Seppa -
PaleontologyCatching evolution in the act
Paleontologists have unearthed fossils that provide direct evidence of something scientists had long suspected: The tiny bones in the middle ears of modern-day mammals evolved from bones located at the rear of their reptilian ancestors' jaws.
By Sid Perkins -
Health & MedicinePreemies respond to immunizations
Babies born prematurely rev up an immune response to two routine childhood vaccines as well as babies who are born full-term.
By Nathan Seppa