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Nature Podcast
3 September 2009
play full podcast |Text
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In this episode:
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00:41
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Galaxy gobbling
A survey of our neighbouring galaxy Andromeda reveals it grew by eating dwarf galaxies
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06:03
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The oldest European hand-axes
Re-dated tools shed light on early human migration patterns
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10:10
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Predicting 'tipping points'
Whether it's climate, the economy or the brain, systems may show early-warning signs of change
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16:30
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Engineering the climate
What's more realistic, sun deflectors or artificial trees?
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20:26
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News chat
Genes by post raise security fears, and India's space mission comes to an early end
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About the Nature Podcast
Each week Nature publishes a free audio show. It's hosted by Adam Rutherford and Kerri Smith and features reporters Charlotte Stoddart, Geoff Brumfiel and Natasha Gilbert. Every show features highlighted content from the week's edition of Nature including interviews with the people behind the science, and in-depth commentary and analysis from journalists covering science around the world.
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We welcome feedback so write to us at podcast@nature.com. If you have any technical problems see the Help and FAQ section. All podcasts are © Nature Publishing Group.
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