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| | | 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 AGAIN Ìý30 min | | | |
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"If what interests you are new and exciting ideas, it's science you should be turning to. And whether it's the Human Genome Project or the origins of the Universe, Leading Edge is the place to hear about them."
Geoff Watts |
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What Is Dark Energy?
One of cosmology’s greatest mysteries is only five years old. In 1998 astronomers realised that some unknown repulsive force permeates the fabric of the Universe, causing everything to expand ever faster.
It was dubbed ‘dark’ energy and despite being the most important ‘stuff’ in the cosmos, the nature of the mystery energy is utterly perplexing.
Except now, a team of astronomers using the Hubble Space Telescope has shed a little more light on the essence of dark energy.
Prostate Cancer Test
Researchers at Imperial College, London are developing a test that would be suitable for a mass screening programme for prostate cancer in this country.
The current PSA test for this commonest of male cancers is inadequate for the purpose, so research clinicians and biological chemists have teamed up to use the techniques of metabonomics to find a foolproof indicator for the disease.
Coral Family Tree Shock
The family tree of the world’s corals has to be rewritten, and that means a re-think of how we are currently trying to preserve the planet’s threatened tropical reef builders.
DNA analysis of corals from around the world shows that many of the most important coral types are unique to the Caribbean and other Atlantic regions, and don’t have close relatives elsewhere.
It is as though biologists had overlooked the invertebrate equivalent of the New World Monkeys as a key taxonomic group.
Geeksta Rap
Rather than rapping about guns, space science graduate Fred Hall at the University of Alaska at Fairbanks raps about matters such as astronomy and his impressive hard drive.
But will this new hip-hop form catch on?
Leading Edge returns in a new series on Thursday May 13th, 2004 | | |
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