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AnimalsPerils of Migration: New evidence that bats stalk birds
Big Mediterranean bats snatch migrating songbirds out of the night sky in spring and fall.
By Susan Milius -
Bridging the Divide? Technique sheds light on cleft palate gene
A new approach has enabled researchers to prevent cleft palate in mice genetically engineered to develop that birth defect.
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19794
Finding CO2 levels that are 2,500 times higher in 5,000-year-old fulgurites than in modern samples, scientists have speculated that the extra CO2 resulted from vaporization of organic material by lightning. Could some of this gas reflect elevated atmospheric CO2? And if so, could current laments regarding “unprecedented levels” of CO2 be insupportable? John M. CorboyMililani, […]
By Science News -
EarthStroke of Good Fortune: A wealth of data from petrified lightning
The lumps of glass created when lightning strikes sandy ground can preserve information about ancient climate.
By Sid Perkins -
Health & MedicineTaking Cancer’s Fingerprint: Rapid genetic profiling for personalized therapy
A new, faster way to identify cancer-causing mutations in the DNA of tumor cells may pave the way for the next generation of custom-tailored cancer therapies.
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AstronomyOn the Trail of Dead Planets: Dust ring around a white dwarf
Infrared observations have depicted the dusty vestiges of a planetary system dancing around a dead star.
By Ron Cowen -
Health & MedicineClear the Way: Stenting opens jammed arteries in the brain
Using a tiny mesh cylinder called a stent, doctors can prop open narrowed arteries in the brain much as they do in the heart.
By Nathan Seppa -
AnthropologyChimpanzee Stone Age: Finds in Africa rock prehistory of tools
Researchers have uncovered evidence of a chimpanzee stone age that started at least 4,300 years ago in West Africa.
By Bruce Bower -
Planetary ScienceTitan’s organic cloud
The Cassini spacecraft has imaged a huge cloud that engulfs most of the north pole of Saturn's icy moon Titan and could be a source of the moon's hydrocarbon lakes.
By Ron Cowen -
Health & MedicineSmall tweaks prevent 1918-flu transmission
Just a couple of small genetic changes in a pandemic flu virus prevented it from passing efficiently between lab animals.
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Health & MedicineOrexin-blocking pill speeds sleep onset
A new compound that inhibits the activity of the alertness-promoting brain peptide orexin shows promise as a potential sleeping pill.
By Ben Harder -
Terrorism sparks heartfelt aftermath
Although terror-attack survivors often rebound emotionally, their bodies stay on heightened alert long after such traumas, according to tests of witnesses to the 1995 Oklahoma City bombing.
By Bruce Bower