The nanodiamonds were found on the island of Santa Rosa, which was linked to three of the Northern Channel Islands off the southern California coast in a landmass known as Santarosae (encircled at top). Credit: Courtesy NOAA and UC Santa Barbara.From Live Science:
Space rocks that slammed into the glaciers of eastern Canada some 12,900 years ago likely helped wiped out mega-animals like woolly mammoths and possibly the continent's first human inhabitants called the Clovis people, according to a new study that adds to evidence that a trio of factors were involved.
The new evidence comes from recently discovered nano-sized diamonds, which researchers say are the strongest clues to date for an argument that could explain the region's die-off during the late Pleistocene epoch.
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