News
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Health & MedicineVeggies prevent cancer through key protein
An international team of researchers has identified a protein that helps compounds in some vegetables prevent cancer.
By Linda Wang -
AstronomySome of galaxy’s dark matter comes to light
A new study adds to the evidence that astronomers have unveiled some of the dark matter in our galaxy and that it's pretty ordinary stuff—white dwarfs, the cold, compact embers of low-mass stars.
By Ron Cowen -
EarthThick ice scraped rock bottom in Arctic
Scuffs, scrapes, and gouges found atop undersea plateaus and ridges in the Arctic Ocean suggest that kilometer-thick ice shelves covered much of the ocean there during some previous ice ages.