Musings on the Aquatic Ape Theory
Category: Anthropology
A theory like this can evolve into a zombie that will eat the brains of science geeks, graduate students, and others, for decades
Posted by Greg Laden at 10:36 AM • 29 Comments • 0 TrackBacks
Greg Laden's Blog
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Anatomy:
Grasping the function of the human penis
Category: Evolutionary Biology
Gallup's work is written up an an all-too-sophomoric article which just falls short of explaining this important biological phenomenon in terms of a pair of headlights, a flashlight, and a little red wagon.
Posted by Greg Laden at 7:45 AM • 5 Comments • 0 TrackBacks
Great Moments in Human Evolution: The Invention of Chipped Stone Tools
Category: Archaeology
Or not. Much is made of the early use of stone tools by human ancestors. Darwin saw the freeing of the hands ad co-evolving with the use of the hands to make and use tools which co-evolved with the big brain. And that would make...
Posted by Greg Laden at 2:01 PM • 4 Comments • 0 TrackBacks
Allen's Rule, Phenotypic Plasticity, and The Nature of Evolution
Allen's Rule. One of those things you learn in graduate school along with Bergmann's Rule and Cope's Rule. It is all about body size. Cope's Rule ... which is a rule of thumb and not an absolute ... says that over time the species in...
Posted by Greg Laden at 6:21 PM • 9 Comments • 0 TrackBacks
The Flores Hominid and the Evolution of the Shoulder
Homo floresiensis more widely known as the "Hobbit," may have had arms that were very different from those of modern humans. A paper in the current issue of the Journal of Human Evolution explores the anatomy of H. floresiensis. To explore this we first have...
Posted by Greg Laden at 10:40 AM • 2 Comments • 0 TrackBacks
Aerosteon riocoloradensis: A Very Cool Dinosaur from Argentina
Fossils of a newly discovered species of dinosaur -- a 10-meter-long, elephant-weight predator -- were discovered in 1996 along the banks of Argentina's Rio Colorado, and are now being reported after a long period of careful study. This dinosaur dates to about 85 million years...
Posted by Greg Laden at 5:32 PM • 17 Comments • 0 TrackBacks
Effective Polygyny in Humans: Turns out it is for real
Human societies tend to be at least a little polygynous. This finding, recently reported in PLoS genetics, does not surprise us but is nonetheless important. This important in two ways: 1) This study uncovers numerical details of human genetic variation that are necessary to understand...
Posted by Greg Laden at 3:25 PM • 23 Comments • 0 TrackBacks
In the Long Run, Exertion Regulation Wins the Day for Marathon Runners
How do athletes in Olympic level endurance competition do it?...
Posted by Greg Laden at 11:46 AM • 3 Comments • 0 TrackBacks
Size and Scaling in Hominid Evolution
Stephen Jay Gould and David Pilbeam wrote a paper in 1974 that was shown ten years later to be so totally wrong in its conclusions that it has fallen into an obscurity not usually linked to either Gould or Pilbeam. However, they were actually right...
Posted by Greg Laden at 1:45 PM • 2 Comments • 0 TrackBacks
If Marriage is a Sacred Bond between Man and Woman ....
This finger needs a ring! (soure) ... then it's OK if the 'woman' is a guy in drag, right? The couple walked into a Norfolk courthouse on a spring day, exchanged a few words, and within 10 minutes, were seemingly husband and wife. It...
Posted by Greg Laden at 8:37 PM • 12 Comments • 0 TrackBacks
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