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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 05 October
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GEOFF WATTS
Geoff Watts
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Thursday 05 October 2006
Toucan

Tropical Biodiversity
 
There are more than 10 times more species of plants and animals in the tropics than in regions closer to the poles.

New research in this week's journal Science points to why the tropics are a source of such abundant life, and provides evidence that they were historically, and remain as, the source that drives evolution across the whole planet.

Nobel Prizes

This week saw the announcement of the Nobel prizes for medicine, chemistry and physics.

Geoff uncovers the research behind the prizes and why one might herald a new era in medicine as important as the discovery of antibiotics.

Space Medicine

Some future missions to space could last for years. What are the long term effects of microgravity and cosmic radiation on human health?

Jon Stewart reports from the 3rd annual conference of space medicine.

He finds out how surgery might be performed in space and what measures can be taken to protect the health of future astronauts.

Beauty and the Brain

Why does the brain find certain things more beautiful than others?

Geoff Watts visits the lab of Piotr Winkielman the scientist who is testing what we find attractive and why.

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