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Top of pageNews Features
Human evolution: How Africa learned to love the cow p994
The development of lactose tolerance in sub-Saharan Africa is a fascinating tale of genetic convergence, reports Erika Check.
doi:10.1038/444994a
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Oceanography: Creating the perfect wave p997
Kerry Black travelled the world in search of the best surf spots. Then he decided to build them himself — on land. Mark Schrope meets the maverick oceanographer.
doi:10.1038/444997a
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Physiology: Freaks of nature? p1000
Ultraendurance racers torture their bodies and minds to achieve near-impossible physical feats. Is it an exceptional genetic make-up or the vestiges of human evolution? Helen Pearson reports.
doi:10.1038/4441000a
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Top of pageCorrespondence
Life: perhaps we should take the porridge theory with a pinch of salt p1002
Peter Wigley
doi:10.1038/4441002a
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Life: porridge would be just right for each universe p1002
Ian Stewart
doi:10.1038/4441002b
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Biography of Crick aims to inspire a wider audience p1002
Michael Ashburner, Mark Bretscher and Peter A. Lawrence
doi:10.1038/4441002c
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Shellfish view of omega-3 and sustainable fisheries p1002
Anthony Robson
doi:10.1038/4441002d
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Top of pageCommentary
Measures for measures p1003
Are some ways of measuring scientific quality better than others? Sune Lehmann, Andrew D. Jackson and Benny E. Lautrup analyse the reliability of commonly used methods for comparing citation records.
doi:10.1038/4441003a
Full Text | PDF (276K) | Supplementary information
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Top of pageBooks and Arts
The ambiguity is the essence p1005
When we consider the Universe, are we trying to impose order on a meaningless jumble?
Alan Lightman reviews The Human Touch: Our Part in the Creation of a Universe by Michael Frayn
doi:10.1038/4441005a
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The beginning of wisdom p1006
Stuart Ross Taylor reviews Is Pluto a Planet? A Historical Journey Through the Solar System by David A. Weintraub
doi:10.1038/4441006a
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The next pandemic p1007
John Oxford reviews Bird Flu: A Virus of Our Own Hatching by Michael Greger
doi:10.1038/4441007a
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Science in culture p1008
The snowflake man
Martin Kemp
doi:10.1038/4441008a
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Top of pageNews and Views
Physiology: Obesity and gut flora p1009
The intestinal bacteria in obese humans and mice differ from those in lean individuals. Are these bacteria involved in how we regulate body weight, and are they a factor in the obesity epidemic?
Matej Bajzer and Randy J. Seeley
doi:10.1038/4441009a
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Astrophysics: A burst of new ideas p1010
Gigantic cosmological -ray bursts have fallen into a dichotomy of long and short bursts, each with a very different origin. The discovery of an oddball burst calls for a rethink of that classification.
Bing Zhang
doi:10.1038/4441010a
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Neurobiology: Auditory fidelity p1013
Detailed investigation of a molecule involved in an inherited type of deafness reveals a fresh facet to the mammalian auditory system — a hitherto unknown way for synapses to put calcium in a bind.
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