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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 AGAINListenÌý30 min
Listen toÌý29ÌýSeptember
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GEOFF WATTS
Geoff Watts
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ThursdayÌý29ÌýSeptemberÌý2005
Arctic Iceberg

This week on Leading Edge arctic ice melt,Ìýlive giant squid caught on camera,Ìýthe new sudoku andÌýthe building ofÌýthe biggest telescopes on earth.

Arctic Ice Melt

The latest news that the Arctic ice is shrinking for the fourth year in a row may be just the tip of the iceberg.

A new satellite, Cryosat, due to be launched next month, will provide vital data about the mass of the Arctic ice and the likely future of British weather.

Live Giant Squid Caught On Camera

What do the first-ever pictures of a giant squid teach us about this extraordinary creature?

The New Sudoku

Number puzzles like kakuro and sudokuÌýare on the road achieving crossword-like status.

Mathematician Marcus du Sautoy, however,Ìýgives the current craze for suduko no more than five years.

Building The Biggest Telescopes On Earth

We visit a giant underground lab in Arizona where scientists have started building the biggest telescope on earth.Ìý
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