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Science
LEADING EDGE
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Thursday 21:00-21:30
Leading Edge brings you the latest news from the world of science. Geoff Watts celebrates discoveries as soon as they're being talked about - on the internet, in coffee rooms and bars; often before they're published in journals. And he gets to grips with not just the science, but with the controversies and conversation that surround it.
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Listen to 20 October
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GEOFF WATTS
Geoff Watts
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Thursday 20 October 2005
Chicken

This week on Leading Edge - the latest on the bird flu crisis, the launch of Venus Express and logging in the Amazon.

Bird Flu

Confused by the science of bird flu? Top virologist, John Oxford, provides a beginner's guide to the Scarlet Pimpernel of the virus world.

And John Wood, Principle Scientist at the National Institute for Biological Standards Control, describes the dilemma faced by vaccine manufacturers.

As H5NI continues to mutate, should we start making a vaccine now, that might soon offer only partial protection, or wait and risk a pandemic?

Venus Express 
 
Venus Express launches from the Baikanour cosmodrome in Kazakhstan next week.

On a mission to study the planet's thick, acidic atmosphere, it could teach us about climate change here on earth.

"It's global warming gone mad" says Andrew Coates from the Mullard Space Sciences laboratory. 

Logging in the Amazon

New satellite imaging techniques reveal the extent of logging in the Brazilian Amazon raising previous estimates of carbon emissions by 25%.

They are also able to pinpoint exactly where it's taking place, and so help the campaign to stop illegal logging in the region.
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