Kerr Watch

Elapsed time since Richard Kerr failed to inform his Science readers of the confirmation of nanodiamonds at the YDB: 6 years, 4 months, and 4 days

Broecker to Kunzig: This Deal is Real

Readers will recall the awkwardly titled September post, “NatGeo actually calls Wally Broecker to discuss evidence for cosmic impact at Younger Dryas start.” The Tusk was trying to convey there my astonishment that a thoughtful and thorough article was written on recent advances in the study of the Younger Dryas Boundary. Only […]

NatGeo actually calls Wally Broecker to discuss evidence for cosmic impact at Younger Dryas start

NatGeo 2007

NatGeo 2008

NatGeo 2013

Did a Comet Really Kill the Mammoths 12,900 Years Ago? Did the planetary upheaval 12,900 years ago come from the heavens—or Earth? Robert Kunzig

National Geographic Published September 10, 2013

Why did mammoths, mastodons, and other mega-beasts vanish from North America?

Was it because:

1) […]