Malaria: A protective paradox p824
The infectious form of the malaria parasite has thousands of proteins, making it tough to develop a vaccine for it. Narrowing down which proteins cause protective immune responses may help resolve the problem.
Stephen L. Hoffman
doi:10.1038/nature05409
Full Text | PDF (315K)
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50 & 100 Years Ago p825
doi:10.1038/444825a
Full Text | PDF (250K)
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Leukaemia: Niche retreats for stem cells p827
Leukaemic cells and normal blood-producing cells relate differently to their surroundings. This concept has now been extended to leukaemic stem cells, suggesting a fresh approach to therapy.
David A. Williams and Jose A. Cancelas
doi:10.1038/444827a
Full Text | PDF (235K)
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Semiconductor electronics: Organic crystals at large p828
Fabricating large-scale semiconducting surfaces for the flexible screens of the future is a bothersome business. A simple technique for growing single-crystal organic semiconductors brings new vision to the field.
Paul Heremans
doi:10.1038/444828a
Full Text | PDF (333K)
See also: Editor's summary
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Conservation biology: Unkind cuts for incense p829
Peter D. Moore
doi:10.1038/444829a
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Neurobiology: A channel sets the gain on pain p831
Nerve impulses that convey pain signals to the brain are produced by sodium channels in the neuronal membrane. Studies on people who are unable to feel pain identify one specific sodium channel as essential to the process.
Stephen G. Waxman
doi:10.1038/444831a
Full Text | PDF (178K)
See also: Editor's summary
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Condensed-matter physics: Up the magnetic pressure p832
Observations of a phenomenon known as the magnetic fountain effect in superfluid helium are not just beautiful experiments, but could also supply a tool for studying many other exotic magnetic phenomena.
Shaun Fisher and George Pickett
doi:10.1038/444832a
Full Text | PDF (351K)
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Diabetes: Kicking off the insulin cascade p833
Inhibition of the insulin-signalling pathway leads to insulin resistance, an early step in the development of type 2 diabetes. A novel family of protein activators seems to act near the pathway's inception.
Catherine Jackson
doi:10.1038/444833a
Full Text | PDF (452K)
See also: Editor's summary
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Top of pageBrief Communications
A microworld in Triassic amber p835
Amber as old as the first dinosaurs captured the diversity of microbial life 220 million years ago.
Alexander R. Schmidt, Eugenio Ragazzi, Olimpia Coppellotti and Guido Roghi
doi:10.1038/444835a
First paragraph | Full Text | PDF (213K) | Supplementary information
See also: Editor's summary
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Molecular Epidemiology: HIV-1 and HCV sequences from Libyan outbreak p836
Tulio de Oliveira, Oliver G. Pybus, Andrew Rambaut, Marco Salemi, Sharon Cassol, Massimo Ciccozzi, Giovanni Rezza, Guido Castelli Gattinara, Roberta D'Arrigo, Massimo Amicosante, Luc Perrin, Vittorio Colizzi, Carlo Federico Perno and Benghazi Study Group
doi:10.1038/444836a
First paragraph | Full Text | PDF (175K) | Supplementary information
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Top of pageBrief Communications Arising
Evolutionary genetics: Evolution of mate choice in the wild pE16
Erik Postma, Simon C. Griffith and Robert Brooks
doi:10.1038/nature05501
First paragraph | Full Text | PDF (83K)
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Evolutionary genetics: Evolution of mate choice in the wild (Reply) pE16
Anna Qvarnström, Jon E. Brommer and Lars Gustafsson
doi:10.1038/nature05502
First paragraph | Full Text | PDF (87K)
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Geochemistry: Biosignatures and abiotic constraints on early life pE18
Barbara Sherwood Lollar and Thomas M. McCollom
doi:10.1038/nature05499
First paragraph | Full Text | PDF (82K)
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