Comments on: Asteroid Strike Confirmed as Dinosaur Killer

By: bham

bham — Sat, 26 Jun 2010 00:51:56 +0000

Really nice article – thank you

By: Small Mammals Bit Down on Dino Bones | Dinosaur Tracking

Small Mammals Bit Down on Dino Bones | Dinosaur Tracking — Fri, 25 Jun 2010 14:21:52 +0000

[...] most were small, they did not simply cower in their burrows until the non-avian dinosaurs were wiped out 65 million years ago. In fact, Mesozoic mammals were more varied in anatomy and habits than is [...]

By: antonio

antonio — Sun, 30 May 2010 08:33:09 +0000

The latest theory about the Cretaceous extinction. Book publicado en http://www.bubok.es. Descarga gratuita. Is very interesant.

By: Dinosaur Sighting: Never Forget | Dinosaur Tracking

Dinosaur Sighting: Never Forget | Dinosaur Tracking — Wed, 26 May 2010 13:57:32 +0000

[...] ironic graffiti tag on the Carrboro, North Carolina was photographed by reader Jason Adams. The impact of an asteroid in what is now the Yucatan Peninsula was a bit of a bad day for them, but we are [...]

By: Geology Links for May 11th, 2010 | The Geology News Blog

Geology Links for May 11th, 2010 | The Geology News Blog — Tue, 11 May 2010 12:01:25 +0000

[...] Asteroid Strike Confirmed as Dinosaur Killer | Dinosaur Tracking [...]

By: Tracking the Origin of Dinosaurs | Dinosaur Tracking

Tracking the Origin of Dinosaurs | Dinosaur Tracking — Mon, 10 May 2010 13:53:08 +0000

[...] everyone is familiar with the ongoing debate surrounding the extinction of the non-avian dinosaurs 65 million years ago, but the discussion over where dinosaurs came from in the first place is often [...]

By: david w. nystuen

david w. nystuen — Sun, 14 Mar 2010 23:30:33 +0000

There was no one cause. This paper is no proof. Keep trying, hopefully you give up on this lost cause.

By: James

James — Thu, 11 Mar 2010 14:28:39 +0000

This paper seems a little silly to me. There’s nothing new, so the paper seems to be just an attempt to convince by appeal to authority.

There are at least three problems with the “single impact only” explanation for the KT extinctions (IMHO):

1. There are lots of other impact craters throughout the historical fossil record (some quite large) that are not associated with any extinctions.

2. We know that other climate altering events were occurring at the same time (e.g., Deccan Traps).

3. There seems to be ongoing debate amongst the scientific community regarding understanding the raw data (http://www.geolsoc.org.uk/gsl/views/debates/chicxulub).

I find it difficult to imagine a scenario where the other climatic changes occurring weren’t at least as culpable as the impact itself. I’m not sure why we need to imagine a global catastrophe of this magnitude happening in an instant, but I find it far more plausible that an unlikely series of events is responsible.

By: Prehistoric DNA reveals the story of a Pleistocene survivor, the muskox [Laelaps] @ Share Crazy

Thu, 11 Mar 2010 05:09:32 +0000

[...] long shot, but unlike the end-Cretaceous catastrophe 65 million years ago there is no single “smoking gun” that can account for the pattern of extinction. Instead the Pleistocene mass extinction [...]

By: Doug

Doug — Wed, 10 Mar 2010 21:51:34 +0000

Yeah I read about this over on National Geographic news. I still wonder though. I’ve heard the acid rain idea doesn’t hold up because animals who are most vulnerable to acid rain, like frogs and salamanders, survived. While this study does reaffirm the asteroid impact idea, it’s obvious this debate isn’t going away any time soon.

By: kirod

kirod — Wed, 10 Mar 2010 19:10:00 +0000

astroid strike really dangerous