Now on ScienceBlogs: The Chicago Tribune: Telling it like it is about the antivaccine autism "biomed" movement
Evolution, Life Sciences, Science Education, Human Evolution, and Stuff
Welcome to Greg Laden's Blog.
Category: Mammals
Minnesota moose experts generally agree that global warming is forcing the southern edge of the distribution of the moose northward into Canada, threatening this important US population of this ginormous deer species. Global warming denialists insist that this is the moose's fault, and has nothing...
Posted by Greg Laden at 11:02 AM • 12 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: Paleontology
The evolutionary history of mammals can be reviewed as the evolutionary history of tooth loss. The early mammals had many teeth, and every now and then in evolutionary time, a tooth is lost wiht subsequent species arriving from that n-1 toothed form having that smaller...
Posted by Greg Laden at 4:10 PM • 0 Comments • 0 TrackBacks
Category: Birds
As long as we are on the subject (this week) of field guides, I thought I'd go ahead and suggest what guides you might take if you happen to be planning a trip to Central, East or southern Africa1 But since we are doing Africa,...
Posted by Greg Laden at 8:06 PM • 0 Comments • 0 TrackBacks
Category: Archaeology
I have had a lot of students of whom I'm very proud because of their accomplishments both in research and generally. One of these students is Mark Foster, who is one of a very small number of undergraduates to engage in significant research at some...
Posted by Greg Laden at 12:00 PM • 4 Comments • 0 TrackBacks
Category: Mammals
Ceratotherium simum, or "White" Rhinoceros, a.k.a. Square-lipped Rhinoceros. Click the caption for a much larger image....
Posted by Greg Laden at 2:40 PM • 5 Comments • 0 TrackBacks
Cute baby lions. When they grow up, they will want to eat you. I'll never forget the first wild lion I ever saw. It was a pitch black night, on the savanna in the Western Rift Valley. I had climbed on top of the...
Posted by Greg Laden at 6:47 PM • 8 Comments • 0 TrackBacks
The phrase "genomic imprinting" has come to refer the turning off of a gene (a particular instance of a gene on a particular chromosome duplicated across the cells in a body) so that the gene is not expressed at all, with the turning off of...
Posted by Greg Laden at 3:30 PM • 1 Comments • 0 TrackBacks
Neurophilosophy 11.19.2009
The Island of Doubt 11.20.2009
Greg Laden's Blog 11.20.2009
The World's Fair 11.19.2009
Laelaps 11.20.2009
