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Last Updated: Monday, 6 November 2006, 16:41 GMT
Testing times for athletes
An athlete preparing to run
More or Less
Monday, 6 November, 2006
BBC Radio 4, 1630 GMT

In More or Less this week, presenter Andrew Dilnot and the team investigated statistical weaknesses in the testing regime for drugs in sport.

One athlete initially suspected of taking testosterone was finally cleared last week.

The cyclist Floyd Landis is also contesting the allegation that he too took testosterone to enhance his apparently winning performance in the Tour de France.

While we have no idea of Landis' guilt or innocence and would not speculate, is there anything in the argument that testosterone can reach suspicious levels for natural reasons?

What we found in our investigations was reason to concern us both about the plight of the innocent and our chances of catching the guilty.

And if you have been wondering what to make of the Stern report on the economics of climate change, Andrew's analysed the much reported interpretation of the report as saying that by investing 1% of GDP now will save us 20% later.

We give you all this, and the moon too.

Staring up at the fireworks this weekend, you may have noticed that the full moon at its height became a little under-proportioned.

Learn the mystery of the moon's changing size, part of a packed More or Less this week.

Presenter: Andrew Dilnot
Producer: Michael Blastland

BBC Radio 4's More or Less was broadcast on Monday, 6 November, 2006 at 1630 GMT.

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