Sandwalk

Should universities remove online courses that contain incorrect or misleading information? There are lots of scientific controversies...

Philip Ball has just published a new book "How Life Works." The subtitle is "A User’s Guide to the New Biology" and that...

Serious criticisms of evolutionary theory have been floating around for half a century. The main focus is over the Modern Synthesis and whet...

The Wikipedia article on evolution [ Evolution ] is a " Featured article ," which means two things: (1) it is one of the best arti...

Charles Darwin , the greatest scientist who ever lived, was born on this day in 1809 [ Darwin still spurs tributes, debates ] [ Happy Darwin...

(This is a copy of an essay that I published in 2006. I made some minor revisions to remove outdated context.) Overheard at breakfast ...

I just read a review in Science of Douglas Futuyma’s new book How Birds Evolve: What Science Reveals About Their Origin, Lives, and Diversi...

This post is mostly about a recent paper published in Studies in History and Philosophy of Biol & Biomed Sci where two philosophers pre...

Charles Darwin , the greatest scientist who ever lived, was born on this day in 1809 [ Darwin still spurs tributes, debates ] [ Happy Darwin...

The term "Function Wars" refers to the debate over the meaning of 'function,' especially in the context of junk DNA. 1 Th...

The Three Domain Hypothesis died about twenty years ago but most people didn't notice. The original idea was promoted by Carl Woese an...

Citrate synthase [ EC 2.3.3.1 ] is one of the key enzymes of the citric acid cycle. It catalyzes the joining of acetyl-CoA and oxaloacetate ...

De novo genes are new genes that arise spontaneously from junk DNA [ De novo gene birth ]. The frequency of de novo gene creation is impo...

I'm a big fan of Richard Lenski's long-term evolution experiment (LTEE) and of Zachary Blount's work in particular. [ Strolling ...

This the last of a series of posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. Arlin has established ...

This is part of a continuing series of posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. In this post...

This is part of a continuing series of posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. In this post...

This is part of a continuing series of posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. In this post...

This is the ninth in a series of guest posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. Click on the...

This is the eighth in a series of guest posts by Arlin Stoltzfus on the role of mutation as a dispositional factor in evolution. Reactionary...