Sandwalk

I snapped this picture on my way back from class. That's the science library on the left and the Medical Sciences Building on the far ri...

Some people think it's important to define your terms before engaging in a debate. I am one of them and the term that most often leads t...

The Christians must be getting worried about all those atheist signs popping up on buses and billboards. Ken Ham and "Answers in Genesi...

I've been having a discussion with Elizabeth Liddle in the comments to: Barry Arrington, Junk DNA, and Why We Call Them Idiots . I think...

Last week's molecule was α-tocopherol or vitamin E. You do not need vitamin E supplements and they may even be harmful. Lots of people g...

Dr. Azor Betts (1740-1809) is a distant cousin of mine. His mother was Mary Beldon and I descend from another Mary Beldon who is a cousin of...

There are many ways to teach biochemistry. You can focus on the chemistry or emphasize biology. You can teach from a fuel metabolism perspec...

Some of us spend a lifetime trying to understand evolution. We read books, go to meetings, study the scientific literature, and consult expe...

A few nights ago, Jerry Coyne and Richard Dawkins had an intimate conversation in front of one thousand people at Northwestern University. I...

You're really not going to believe what's going on over at Uncommon Descent . Not only are we witnessing the meltdown of Barry Arrin...

A few days ago I mentioned that definitions were important and I asked my students to look at twenty definitions of "evolution" [ ...

Christian de Duve died last May. He was the man who discovered peroxisomes and he did important work on other cell compartments such as lyso...

Intelligent Design Creationism is often criticized for not making testable predictions. But as it turns out the movement HAS made a number o...

Khurana er al. (2013) have just published a nice paper in Science where they analyzed 1009 human genomes in order to detect variants that m...