Q. Dear Explainer, Fabian Cancellara wins Tour de France prologues with regularity (2007, 2009 and 2010) placing him in the yellow jersey
Q.Dear Explainer, As a follow-up to your answer to an earlier question on the biological passport, I’m curious whether there is any
So what is the basis for the UCI’s appeal? Are they going to attack the evidence — or lack of it — or are they going to go after
Some of Italy's greatest races continued to thrive even during World War II.
What does the passport do? How does it work? What are its limitations? Can athletes manipulate it?
A reader asks about "podium dudes" while another asks about application of doping rules.
After the Alberto Contador ruling, readers offer up a number of interesting questions
Dear Readers, It’s been a while since I’ve written up an Explainer column. First, I went to Germany for the UCI world cyclocross
A reader wants to know why an unethical athlete would look to clenbuterol for performance-enhancement.
Now that evidence suggests the metabolites of plasticizers in Alberto Contador's urine samples a reader wants to know if that's proof of