Recent Posts

Was humankind's first exit from Africa a failed activity?
Posted on 12 Mar 2011 by Thomas H. Clarke, Jr.

Prior posts have noted that the accepted wisdom is that some humans left Africa about 60 thousand years ago, and thereafter migrated all over the world. Now, researchers have found stone tools at a site in the Arabian Peninsula that suggests movement... Read More

Lakes across the globe are warming up
Posted on 3 Dec 2010 by Thomas H. Clarke, Jr.

Throughout the past quarter-century, inland lakes have been experiencing a small, steadily rising nighttime fever. Globally, the average increase has hovered around 0.045 degrees Celsius per year, but in some regions the increase has been more than twice... Read More