Armstrong Affair shows USADA uninfluenced by measurement

The US Anti-Doping Agency says it has “overwhelming proof” seven-time Tour-de-France winner Lance Armstrong was cheating by doping himself with performance-enhancing substances. What is the evidence? Armstrong was tested for drugs perhaps hundreds of times during his cycling career.  Every single test pronounced him clean. That is strong evidence against doping. According to the USADA, [...]

Beliefs, prejudices and data

When you see a bunch of things moving around in a flock on a pond in the distance, making quacking sounds, and occasionally becoming airborne, you do not ask for DNA evidence to determine that they are ducks, because you already have a lot of background information about swimming ducks. If someone told you they [...]