News
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Health & MedicineNew software aids virtual colonoscopy
A computer program helps radiologists spot dangerous growths in the colon without probing inside the body.
By Ben Harder -
AstronomyDark shadows
New radio telescope images of the center of the Milky Way make an even more compelling case that a supermassive black hole resides there.
By Ron Cowen -
EarthMicrobe polishes off pollutant
Researchers have determined how long a pesticide residue would remain in the environment if the microbe Pseudomonas pavonaceae didn't metabolize it.
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Best Friend’s Genome: Dog’s DNA sheds light on human genetics, too
Scientists have published the genome of a boxer, a detailed comparison of the dog's genome with the genomes of mice and people, and a study of genetic variation among dog breeds.