Scientists discover nanodiamonds in Greenland ice

(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer of nanodiamonds in the Greenland ice sheet, which has added to a controversy in the scientific community about a possible extraterrestrial impact event that could shed light on why some types of large mammals disappeared around 12,900 years ago.

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