News
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Health & MedicineMelanoma gene quickly reeled in
Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.
By John Travis -
AstronomyX-ray observatory captures a rare supernova
Astronomers have obtained the first portrait of X-ray emission from a rare, so-called Ic supernova.
By Ron Cowen -
Health & MedicineDo-It-Yourself: Virus recreated from synthetic DNA
In an experiment with implications for bioterrorism, scientists have used poliovirus' widely known genetic sequence to synthesize that virus from DNA and other chemicals.
By John Travis -
Health & MedicineVaccine for All? Math model supports mass smallpox inoculation
Vaccinating an entire city in response to a smallpox terrorist attack would save thousands more lives than would quarantining infected people and vaccinating anyone they contacted.