Sandwalk

The lac operon in E. coli consists of three genes ( lac Z, lac Y and lac A) transcribed from a single promoter. The lac Z gene encodes the...

  This is an example of a real ethical problem. You might be surprised to learn that there aren't all that many "real" ethical...

  This is the week of the Gairdner awards. It's an excellent opportunity for undergraduates to see and hear some outstanding scientists....

  What's going on here? Your task is to identify the experiment that led to this result. It's a short step from there to this week...

  I first encountered Periannan Senapathy on the sci.bio.evolution newsgroup. He was promoting the idea that the various animal phyla arose ...

The latest issue of Science has an article summarizing the research done by Wilson et al. (2008). The "perspectives" article, by ...

  Here's the result from a US Gallup Poll taken in May, 2007 [ Religion ]. Only 7% are potential atheists. How powerful are those people...

  There was a conference in the UK where a number of former adherents of Islam talked about the fact that rejecting Islam is a very serious ...

  Today's editorial cartoon in The Toronto Star is worth sharing. If Canadians were allowed to vote in the US Presidential elections, t...

  I don't get it. Why are the editors of The Toronto Star against proportional representation? Their reasoning doesn't make sense. ...

  George Bush and I share a common ancestor. This isn't as surprising as it might seem. Just about anyone in North America who has relat...

I'm going to subject you to one of my pet peeves. The University of Toronto is in the process of replacing all its pathways. I really ...

  Denyse O'Leary is upset about the fact that students who challenge evolution may be perceived as being unworthy [ Intelligent design a...

In his book, Icons of evolution , Jonathan Wells has ten chapters devoted to refuting evolution. This is typical behavior for an Intelligent...

  This woman was greeting people at the subway stop outside of the Pharmacy Building on the university campus. You don't see this very m...