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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.
radioscience@bbc.co.uk
LISTEN AGAINListen 30 min
Listen to 24 June
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GEOFF WATTS
Geoff Watts
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Thursday 24 June  2004
SpaceShipOne, courtesy of Scaled Composites, LLC

This week on Leading Edge - historic spaceflight, illuminating our streets and the health benefits of red wine.

SpaceShipOne

A spacecraft manned by a 62 year-old pilot and fuelled by laughing gas rocketed 100km into the sky on Monday. Molly Bentley reports from the Californian desert on the historic launch of the first commercial spaceflight.

White bright light

Conventional yellow street lamps are a "false economy" claims Professor Tadj Oreszczyn of the Bartlett School, UCL. Research shows that white light is twice as good as yellow light at illuminating faces on our streets.

Red wine and health

Resveratrol is a chemical found in red grape skins. Dr Howard Tenenbaum of the Faculty of Dentistry, Toronto University believes that it could be "the wonder drug of the 21st century".

Shedding light on lies

Geoff Watts gets his head examined with a new brain scanning technique that uses infra-red light.  Similar methods could be used to spot when people are lying - but would you mind being scanned without your knowledge?

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