More on the 12.9 k impact

Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth’s impact with a rare swarm of carbon-and-water-rich comets or carbonaceous chondrites, reports a nine-member scientific team.

story here


  1. #1 george.w
    January 2, 2009

    Whew! At least it was twelve thousand years ago, so nothing like that could happen now!

  2. #2 Mike
    January 2, 2009

    Wait until DeBeers hears about THIS!

  3. #3 george.w
    January 2, 2009

    Witness the new nanodiamond solitaire ring… for the romantic electron microscopist in your life… (Cue dramatic music and black & white diamond commercial style)

    “Oh, honey, you shouldn’t have!”

  4. #4 Tim
    January 2, 2009

    Well, at least this story is better than the coverage on CNN, which doesn’t name anyone from the article and mistakenly places it in Nature rather than Science. Yeesh.