Dinosaur Extinction
gregladen | May 26, 2015Did you ever wonder? And if you did wonder, did you Google it? And if you did google it, did you get the results shown above? And if you did, did you click "feedback" and do something like the following?
No? Do so now, please.
This is important. Why? Because we have been hearing rumors lately that Google intends to change the way it produces searches to bias the search results in the direction of more reliable sites. But the number one search result for a key question that a lot of people ask about evolution is a bogus creationist site.
I've never, for one moment, gone along with the idea…
razib | May 6, 2009There are two posts on ScienceBlogs which highlight two perspectives on the Dinosaur mass extinction, What Wiped Out The Dinosaurs? and K-T extinction debates: cranky "skeptics" or reasonable science?. I'd assumed that the Asteroids-from-the-sky was the clear consensus, but please see this old BloggingHeads.TV clip where Peter Ward seems to imply that the waters are muddier than you'd think:
razib | April 29, 2009New Geochronologic And Stratigraphic Evidence Confirms The Paleocene Age Of the Dinosaur-Bearing Ojo Alamo Sandstone And Animas Formation In The San Juan Basin, New Mexico and Colorado:
...An assemblage of 34 skeletal elements from a single hadrosaur, found in the Ojo Alamo Sandstone in the southern San Juan Basin, provided conclusive evidence that this assemblage could not have been reworked from underlying Cretaceous strata. In addition, geochemical studies of 15 vertebrate bones from the Paleocene Ojo Alamo Sandstone and 15 bone samples from the underlying Kirtland Formation of Late…