Kerr Watch

Elapsed time since Richard Kerr failed to inform his Science readers of the confirmation of nanodiamonds at the YDB: 5 years, 10 months, and 3 days

2012 Slow Green Fireball Train in UK: Satellite or Meteor Break-Up?

I hate being dragged into these “modern” reports, since the Tusk specializes about this kind of stuff in the ancient past. But the UK event yesterday was really, really cool and I have posted before on these slow greenish fireballs.

Because of the unusually long duration and slow movement, some people […]

Unfiltered: Surovell – Holliday in PNAS, 2009

To a great degree the Tusk itself was a response to my frustration with Todd Surovell and Vance Holliday’s botched 2009 PNAS journal article, “An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis,” published three months before this blog began.

Despite my early understanding of the sloppy work of the authors, however, I did […]

Breaking: Ducks join Gamecocks with press release calling out Surovell, et al. 2009

Today’s press release from the University of Oregon complimenting yesterday’s from the University of South Carolina.

Surovell, et. al 2009 has another serious challenge here.


Challengers to Clovis-age impact theory missed key protocols, new study finds

EUGENE, Ore. — (Sept. 18, 2012) — An interdisciplinary team of scientists from seven U.S. institutions says a […]

PNAS: Five-Year study rips spear from back of YDB hypothesis


iPaper_embed(‘106210252’, ‘key-2i68bycjgm0wdjsmqc1j’, ‘600’, ‘450’); Working on getting the paper. [Update: Got it above}

This appears to be the long hoped for independent, intentional, blind, professional and reproducible confirmation of the original 2007 findings of the Younger Dryas Boundary team.

Independent evaluation of conflicting microspherule results from different investigations of the Younger Dryas […]