The experiments of Stanley Miller (1953) from the 1950s did precisely that: he tested the hypothesis that simple organic molecules (amino acids), precursors of life, could have been generated in a lifeless, primitive Earth (the significance of these experiments has been discussed in detail; Bada and Lazcano 2003; Johnson et al. 2008; Lazcano and Bada 2008).
"I know that he tested positive a few times," Ljungqvist told the Swedish news agency TT.
The British Horseracing Authority has said this morning that he tested positive for an anti-inflammatory.
Powell acknowledged Sunday that he tested positive for Oxilofrine, a banned stimulant.
Still, the disclosure that he tested positive in 2003 did not come as a shock to people in baseball.
In 18 years, barring this incident, he's never tested positive for anything – and after this incident three other tests were taken that he tested negative for.
He said that upon returning to Florida he hired a private company to test him, and that he tested negative for illegal drugs.
PARIS (AP) — The French tennis player Richard Gasquet has acknowledged that he has been told that he tested positive for cocaine, but said that he was innocent.
If the ball was supplied into the box, he was strong enough and direct enough to make sure that he tested the goalkeeper.
He did, however, admit that he tested positive for cortisone at the 1999 Tour and had a team doctor backdate a prescription.
During spring training, the team's manager, Ron Washington, nearly lost his job after Sports Illustrated reported that he tested positive for cocaine.
