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LEADING EDGE
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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.
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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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| Researchers attached eight satellite tags to walruses in west Greenland. |
Climate change and our cities
Geoff Watts returns with a new seriesÌýof Leading Edge, andÌýtalks to Salvano Briceno, Director of the United Nations International Strategy for Disaster Reduction, about a meeting being held this week looking at the threat of natural disasters on our rapidly swelling urban communities.
NASA row
National Public Radio’s David Kestenbaum gives his thoughts on a climate change kerfuffle caused by comments made by NASA chief, Michael Griffin, last week.
Tracking the walrus
Rebecca Morelle joins the crew of a scientific vessel off the coast of Greenland, as they attempt to uncover where the walrus migrates to over the summer.
The walruses have been tagged, and are being tracked by satellite.Ìý You can follow their progress by going toÌý on the Â鶹ԼÅÄ news website.
Astronauts and zero gravity
Geoff Watts visits the University of Maryland, to see a giant swimming pool, that is being used to train astronauts on the effects of zero gravity.
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Â鶹ԼÅÄ Science and Nature
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