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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 30 June
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GEOFF WATTS
Geoff Watts
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Thursday 30 June 2005
Deep Impact. Courtesy of NASA/JPL/UMD. Artwork by Pat Rawlings
Deep Impact will punch a crater in Comet Tempel 1.

Deep Impact

For the first time, scientists will finally get a detailed look at the inside of a Comet, when NASA's Deep Impact mission makes contact with Comet Tempel 1 next week.

This extraordinary experiment will probe deep within the comet to reveal what it contains. Geoff talks to one of the lead scientists on the Deep Impact team to discover what the mission hopes to uncover.
 
The Greatest Scientific Mysteries of our Time

Geoff talks to Astronomer Royal, Professor Sir Martin Rees, and to the Telegraph's Roger Highfield about what remains to be discovered.

What are the great scientific mysteries that still trouble the greatest minds alive today? Will we ever know what came before the Big Bang, the nature of dark matter, or fully understand the inner workings of a cell?

And if we do finally answer these profound questions, what will happen to scientific endeavour, or is it the case that the more we understand, the more questions there are to answer?

British Coral Reefs

Corals are not something you would normally think to associate with the icy waters off the Scottish coast.
But a few miles off the Scottish island of Mingulay, and nearly 150 metres under the cold water, lies one of Britain's deep water coral reefs.

Along with scientists from the Scottish Association for Marine Science (SAMS), Marnie Chesterton sets out to sea, to take a look at this largely unheard off, and little known about ecosystem.

Summer Weather

Geoff Watts talks to researchers at the University of Reading who may have discovered what is causing our current hot spell.

It seems that very small increases in the surface temperature of the Atlantic Ocean, could predict the warm weather that Europe and North America have been experiencing, both this year, and during the heatwave of 2003.

The question they are now trying to answer is what effect Global Warming might have on these sea surface temperatures, and therefore to our weather.

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