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Nature celebrates two anniversaries
A special two-page miscellany celebrates the journal's 140th birthday, offering a selection of content from that first issue and from equivalent issues every twenty years between then and now, also listen as the Nature Podcast team continue the celebrations in this week's show. Meanwhile, Nature continues to mark the 200 years since Darwin's birth with the second of four weekly pieces on how his ideas were received around the world. Daniel Todes explains how Russians rejected the alien metaphor of a 'struggle for existence'.
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This week's news
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This week on the Nature Podcast
This week we learn the secrets of a star first spotted in 1680, hear how unrelated animals lend a helping hand, and discover how ecologists are bringing past ecosystems back to life in Pleistocene Parks. Plus, a round-up of what's hot elsewhere in Nature.
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Prospects Broaden your focus: Science professionals' expertise today must be wide-ranging and interdisciplinary.
News Web links: An interdisciplinary networking site for scientists is launching.
In Brief Topping out: Highest-performing students abandon US science, technology, engineering and maths pipeline.
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Co-operation between non-kin in animal societies
Explanations of co-operation between non-kin in animal societies often suggest that individuals exchange resources or services and that co-operation is maintained by reciprocity. A review in this week's Nature by Tim Clutton-Brock considers the fact that firm evidence of reciprocity in animal societies is rare and suggests many examples of co-operation between non-kin probably represent cases of intra-specific mutualism or manipulation. For the author's insight, listen to the Nature Podcast.
Credit: C.R. Packer
