Skeptophilia

For some of the most fundamental aspects of life, it's uncertain whether or not evolution was constrained . The question has great signi...

One of my favorite lectures in my AP Biology class was about how there's no such thing as a reptile. If you took your last biology class...

One of the most intriguing sets of life forms I've ever heard of is the Ediacaran Assemblage . It dates from the late Precambrian Era --...

An evolutionary misfire  occurs when a trait evolved in one context, where it was an advantage to the organism, but then circumstances chang...

One of the most persuasive pieces of evidence of the common ancestry of all life on Earth is genetic overlap -- and the fact that the percen...

There's an interesting idea from evolutionary theory called the cui bono principle . Cui bono?  is Latin for "who benefits?"  ...

One of the most common misconceptions about evolution is that it is goal-oriented. You hear it all the time.  Giraffes evolved longer necks ...

One of the more puzzling aspects of evolutionary theory is the phenomenon of peripheral isolates . This term refers to widely-separated popu...

The environmentalists tell us "extinction is forever," and that certainly seems unarguable.  Once a species is lost, evolution wil...