Turnbull wasn't informed of the positive test until 12 June this year - almost nine months after the original sample was taken.

BBC: Turnbull didn't learn of the positive test for nine months

So Bruce Dohrenwend, the researcher in New York, went and found what he called a gold mine of data, actual combat records that allowed him to verify the claims of a sample of 260 veterans in the original study.

NPR: Study Tracks Stress Disorder Among Vietnam Vets

Using DNA sequencing and other techniques, they obtained genetic profiles from as many as nine places in one sample from the original tumor and three from sites where the tumor had spread, or metastasized.

WSJ: 'Personalized Medicine' Hits a Bump

The original tribunal found that the player's level of Salbutamol was 20 times higher in the sample collected after the Toulouse game than was the case after the quarter-final tie against Leicester.

BBC: Sheahan presented new evidence at his appeal on Monday

You can learn to use Garage Band without knowing how to make original instrument sounds or being able to create the music that you can sample.

FORBES: Learn To Code #2: The Many Reasons Why We Must Program (And The Few Why Not)

If Landis' backup urine sample is positive - and the backup or B-tests often confirm the original - Landis could be stripped of his title.

NPR: Landis Doping Allegations Give Cycling Black Eye

This sample will allow the statisticians to gauge whether some particular group was miscounted in the original census.

ECONOMIST: Statistics