News
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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.
By Sid Perkins -
Health & MedicineStudy reveals male link to preeclampsia
Men who were born of mothers who had the pregnancy complication preeclampsia are roughly twice as likely to father a child through preeclamptic pregnancy than are men who were born of mothers who had a normal pregnancy.
By Nathan Seppa -
TechNew nanosize detector picks through DNA
Researchers have made a device that can differentiate nearly identical DNA molecules, which might lead to sequencing at unprecedented speeds.