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Evolution, Life Sciences, Science Education, Human Evolution, and Stuff
Welcome to Greg Laden's Blog.
Category: Atheism
I would very much like your help in picking out a tee-shirt to wear around town. Let me tell you about the town, and you'll be able to make an appropriate suggestion....
Posted by Greg Laden at 11:00 AM • 52 Comments • 0 TrackBacks
Category: Paleontology
To answer that question briefly, it is really really old if you mean "how old are the oldest rocks that are exposed by the Grand Canyon," and it is probably just a few million years old (5 or 6 by some estimates) if you mean...
Posted by Greg Laden at 1:23 PM • 6 Comments • 0 TrackBacks
Category: Climate Change
From James at Island of Doubt....
Posted by Greg Laden at 6:03 PM • 2 Comments • 0 TrackBacks
Category: Global Warming
This is a continuation of a discussion on the role of Global Warming in the decline of moose populations in Minnesota. It is also a discussion of Global Warming denialism....
Posted by Greg Laden at 2:51 PM • 6 Comments • 0 TrackBacks
Category: Climate
We have had a cool summer here in Minnesota, and this has brought out the miscreants who for their own reasons do not want to get on board with the simple, well demonstrated scientific fact that global temperatures have risen, that we humans are the...
Posted by Greg Laden at 10:57 AM • 49 Comments • 0 TrackBacks
Category: Earth Science
What they are referring to is a paper by Mojib Latif in which he notes that the media often misrepresent global warming as a continuous, year by year increase in temperature. The truth, of course, is that annual temperature varies up and down but...
Posted by Greg Laden at 6:33 PM • 6 Comments • 0 TrackBacks
Category: Climate Change
Here is a major press release by Elizabeth K. Gardner on the link between climate change and poverty, reproduced below the fold for your edification. ~ ~ ~ ~ ~ ~...
Posted by Greg Laden at 8:39 PM • 4 Comments • 0 TrackBacks
Category: Climate Change
The nation's largest business group is asking U.S. EPA to hold a public debate on climate change science -- or face litigation -- as the agency prepares to regulate greenhouse gas emissions under the Clean Air Act. ... "They don't have the science to support...
Posted by Greg Laden at 6:51 PM • 8 Comments • 0 TrackBacks
Category: Nature conservation
This has come up a couple of times recently, so I thought I'd summarize the information here. The distribution of water on Earth in cubic kilometers Salt water: 1,318,062,462 Glaciers: 28,005,430 Groundwater: 12,270,210 Lakes: 106,396 Swamps: 13,452 Rivers: 2,446 Vapor: 13,000 Biological: 1,120 (Biological means...
Posted by Greg Laden at 8:03 PM • 11 Comments • 0 TrackBacks
Category: Archaeology
... the interface between simplicity and complexity causes causes little balls of misunderstanding to come flying out of the mix like pieces of raw pizza dough if the guy making the pizza was the Tasmanian Devil ...
Posted by Greg Laden at 8:36 AM • 27 Comments • 0 TrackBacks
Highly Allochthonous 11.05.2009
Eruptions 11.05.2009
Not Exactly Rocket Science 11.05.2009
Corpus Callosum 11.05.2009
Starts With a Bang 11.04.2009
