10 January 2008 Volume 451 Number 7175, pp107-222
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----------------------
EDITORIALS
----------------------
Resurgent nuclear threats p107
The world faces great risks from nuclear weapons that need to be
urgently addressed by political leaders and scientists worldwide.
There is now a window of opportunity to do so.
doi:10.1038/451107a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3e0EH
Don't panic p108
Whether to build the International Linear Collider is an open
question, but R&D on it should be supported.
doi:10.1038/451108a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3f0EI
Spread the word p108
Evolution is a scientific fact, and every organization whose research
depends on it should explain why.
doi:10.1038/451108b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3g0EJ
----------------------
RESEARCH HIGHLIGHTS
----------------------
Research highlights pp110 - 111
doi:10.1038/451110a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3h0EK
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JOURNAL CLUB
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Journal club p111
Dirk Brockmann
doi:10.1038/451111a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3i0EL
----------------------
NEWS
----------------------
Accelerator plans stalled after US and UK cuts pp112 - 113
Budget woes spell trouble for International Linear Collider.
Eric Hand and Geoff Brumfiel
doi:10.1038/451112a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3j0EM
India aims for 'quantum jump' in science pp112 - 112
Government plans multiple universities and hikes science spending.
K. S. Jayaraman
doi:10.1038/451112b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3k0EN
Could global gardening fix climate change? pp113 - 113
Biomass proposal could hugely reduce carbon dioxide levels.
Jeff Tollefson
doi:10.1038/451113a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3l0EO
Nuclear war: the threat that never went away pp114 - 115
In the first of a series of articles covering nuclear issues,
Declan Butler looks at the nuclear non-proliferation treaty and finds
that there has never been a better climate for negotiation.
doi:10.1038/451114a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3m0EP
China bows to public over chemical plant pp117 - 117
Environmental protesters score landmark victory.
Jane Qiu
doi:10.1038/451117a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3n0EQ
Sidelines p117
Scribbles on the margins of science.
doi:10.1038/451117b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3o0ER
Fears for oldest human footprints pp118 - 118
Fossilized tracks pose preservation puzzle.
Rex Dalton
doi:10.1038/451118a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3p0ES
Snapshot: Making light work of indoor gardening pp119 - 119
Car manufacturers give plants a healthy glow.
David Cyranoski
doi:10.1038/451119a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3q0ET
Software magnates give $30 million to telescope pp121 - 121
doi:10.1038/451121a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3r0EU
Creator and first chair of climate-change panel dies pp121 - 121
doi:10.1038/451121b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3s0EV
China amends patent-rights law to boost innovation pp121 - 121
doi:10.1038/451121c
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3t0EW
Zoo's abandoned polar bear cubs 'will be left to die' pp121 - 121
doi:10.1038/451121d
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3u0EX
National Academies updates book on evolution pp121 - 121
doi:10.1038/451121e
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3v0EY
A colourful discovery in Costa Rica pp121 - 121
doi:10.1038/451121f
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3w0EZ
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NEWS FEATURES
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Conservation: Providential outcome pp122 - 123
A winning combination of isolation, local involvement and a broad
ecological remit are making the management of the seas around
Colombia's San Andrés islands a model for other conservationists,
reports Mark Schrope.
doi:10.1038/451122a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3x0Ea
Cell biology: Bacteria's new bones pp124 - 126
Long dismissed as featureless, disorganized sacks, bacteria are now
revealing a multitude of elegant internal structures.
Ewen Callaway investigates a new field in cell biology.
doi:10.1038/451124a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3y0Eb
----------------------
CORRESPONDENCE
----------------------
Conservation: in a rut, we need rut-inspired solutions p127
Kai M. A. Chan
doi:10.1038/451127a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk3z0Ec
Conservation: academics should 'conserve or perish' p127
Guillaume Chapron and Raphael Arlettaz
doi:10.1038/451127b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk310EP
Frog transparency led to discovery of melatonin p127
Thomas C. Erren, Russel J. Reiter and V. Benno Meyer-Rochow
doi:10.1038/451127c
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk320EQ
Schizophrenia is a disease, so electrons aren't at risk p127
Ronald Chase
doi:10.1038/451127d
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk330ER
Schizophrenia does not mean split personality p127
Alex C. W. May
doi:10.1038/451127e
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk340ES
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BOOKS AND ARTS
----------------------
From bench to book p128
Web publishing and marketing might put more science into fiction and
attract new readers.
Jennifer Rohn reviews A Version of the Truth by Jennifer Kaufman and
Karen Mack, The Gift: Discovery, Treachery & Revenge by Jon Kalb and
The Expeditions by Karl Iagnemma
doi:10.1038/451128a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk350ET
Exhibition: Dreamscapes p129
Henry Nicholls reviews Sleeping and Dreaming
doi:10.1038/451129a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk360EU
Rex appeal pp129 - 130
Frank A. J. L. James reviews The Earth on Show: Fossils and the
Poetics of Popular Science, 1802-1856 by Ralph O'Connor and Victorian
Popularizers of Science: Designing Nature for New Audiences by
Bernard Lightman
doi:10.1038/451129b
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk370EV
Pulling power p130
Sean Carroll reviews The Universal Force: Gravity, Creator of Worlds
by Louis A. Girifalco
doi:10.1038/451130a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk380EW
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NEWS AND VIEWS
----------------------
Molecular biology: RNA rules pp131
Studies of an old genetic puzzle in a little-known protozoan reveal a
new frontier in the expanding world of RNAs: an RNA template guides
genome-wide DNA rearrangements during sexual reproduction.
Meng-Chao Yao
doi:10.1038/451131a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4A0Eg
Materials science: Desperately seeking silicon pp132
Using silicon as a 'thermoelectric' material to convert heat into
electricity would be a technological leap forward. But silicon
conducts heat so well that nobody thought that could work --
until now.
Cronin B. Vining
doi:10.1038/451132a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4B0Eh
Palaeontology: Ancient worms in armour pp133
It requires a quirk of fossilization for the soft parts of an animal
to be preserved. Study of such a specimen of the mysterious
machaeridians provides these organisms with a well defined
evolutionary home.
Jean-Bernard Caron
doi:10.1038/451133a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4C0Ei
Conservation biology: Cats, rats and seabirds pp134
Cats kill birds, and therefore eradicating cats from an island would
seem to be a good strategy for protecting the native population of
seabirds. But that thinking does not take account of ecological
complications.
Matthieu Le Corre
doi:10.1038/451134a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4D0Ej
Stem cells: A new year and a new era pp135
Manipulating cells from adult human tissue, scientists have generated
cells with the same developmental potential as embryonic stem cells.
The research opportunities these exciting observations offer are
limitless.
Martin F. Pera
doi:10.1038/451135a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4E0Ek
Physics: The force of fluctuations pp136
Strange forces and effects dominate the world at the microscopic
level. One such force, rooted in the random fluctuations of matter,
has only now been accurately measured -- 30 years after it was
first predicted.
Sebastien Balibar
doi:10.1038/451136a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4F0El
Quantum mechanics: Evolution stopped in its tracks pp137
How do you watch the evolution of something that doesn't evolve? In
the classical world, even posing this question would provoke raised
eyebrows. But where quantum physics is involved, no question is too
silly.
Lev Vaidman
doi:10.1038/451137a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4G0Em
Obituary: Seymour Benzer (1921-2007) p139
Restless spirit, and pioneer in molecular genetics.
David Anderson and Sydney Brenner
doi:10.1038/451139a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4H0En
----------------------
ARTICLE
----------------------
Reprogramming of human somatic cells to pluripotency with defined factors p141
This paper reports the ability to isolate human donor biopsies and use
transcription factors to derive induced Pluripotent Stem (iPS) cells
from fetal, neonatal, and adult human primary cells, including dermal
fibroblasts isolated from a skin biopsy of a healthy adult volunteer.
The human iPS cells resembled embryonic stem cells in their morphology
and gene expression. These data establish a method to isolate iPS cells
from patients, suggesting that it may be possible to use this procedure
to isolate patient specific cells in culture.
In-Hyun Park et al.
doi:10.1038/nature06534
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4I0Eo
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4J0Ep
Endogenous human microRNAs that suppress breast cancer metastasis pp147 - 152
The microRNAs miR 126 and miR 335 have an important role in breast
cancer tumourigenesis and metastasis. Loss of miR 335 expression
promotes breast cancer cell invasion by targeting SOX4 and tenascin C.
In breast cancer patients, loss of miR 126 and miR 335 expression is
indicative of a poor prognosis.
Sohail F. Tavazoie et al.
doi:10.1038/nature06487
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4K0Eq
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4L0Er
RNA-mediated epigenetic programming of a genome-rearrangement pathway p153
The ciliate Oxytricha trifallax cuts up and removes most of its nuclear
DNA during one developmental stage, stitching 5% of its chromosomes
back together at specific points. This paper demonstrates that
maternal RNA remaining in the new cell could serve as a template for
the chromosomal rearrangements, as shown by the disruption of proper
assembly when several RNAs are removed from the cell.
Mariusz Nowacki, Vikram Vijayan, Yi Zhou, Klaas Schotanus,
Thomas G. Doak & Laura F. Landweber
doi:10.1038/nature06452
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4M0Es
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4N0Et
----------------------
LETTERS
----------------------
An asymmetric distribution of positrons in the Galactic disk revealed
by gamma-rays pp159 - 162
Gamma ray line radiation at 511 keV is the signature of
electron–positron annihilation, which comes from the general direction
of the Galactic centre, but the origin of the positrons was a mystery.
This paper reports a distinct asymmetry in the 511 keV line emission
coming from the inner Galactic disk, which resembles an asymmetry in
the distribution of low mass X ray binaries with strong emission at
photon energies >20 keV, indicating that they may be the dominant
origin of the positrons.
Georg Weidenspointner et al.
doi:10.1038/nature06490
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4O0Eu
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4P0Ev
Enhanced thermoelectric performance of rough silicon nanowires pp163 - 167
The wafer scale electrochemical synthesis of arrays of rough silicon
nanowires is reported, as is their substantially reduced thermal
conductivity, which improves their potential for thermoelectric
applications.
Allon I. Hochbaum et al.
doi:10.1038/nature06381
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4Q0Ew
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4R0Ex
Silicon nanowires as efficient thermoelectric materials pp168 - 171
Akram I. Boukai et al.
doi:10.1038/nature06458
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4S0Ey
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4T0Ez
Direct measurement of critical Casimir forces pp172 - 175
C. Hertlein et al.
doi:10.1038/nature06443
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4U0E1
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4V0E2
Crude-oil biodegradation via methanogenesis in subsurface petroleum
reservoirs p176
Laboratory experiments in microcosms monitoring the hydrocarbon
composition of degraded oils are used with carbon isotopic
compositions of gas and oil samples taken at wellheads and a Rayleigh
isotope fractionation box model to elucidate the mechanisms of
hydrocarbon degradation in reservoirs. The data imply a common
methanogenic biodegradation mechanism in subsurface degraded oil
reservoirs resulting in consistent patterns of hydrocarbon alteration.
D. M. Jones et al.
doi:10.1038/nature06484
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4W0E3
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4X0E4
Seismic identification of along-axis hydrothermal flow on the East
Pacific Rise pp181 - 184
The location of microearthquakes beneath a hydrothermal vent field on
the East Pacific Rise has been mapped to shed light on hydrothermal
pathways at this location. The earthquake locations indicate that a
hydrothermal down flow zone is located on the ridge axis and that
hydrothermal flow is oriented along the ridge axis, arguing that
models that suggest hydrothermal cells are orientated across axis,
with off axis recharge zones, may not apply to the East Pacific Rise.
M. Tolstoy et al.
doi:10.1038/nature06424
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4Y0E5
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4Z0E6
Machaeridians are Palaeozoic armoured annelids pp185 - 188
A new machaeridian from the Early Ordovician of Morocco with preserved
soft parts is reported, showing that machaeridians are the calcareous
plates carried on the back of a hitherto unknown form of segmented
worm, resolving a 150 year old mystery.
Jakob Vinther, Peter Van Roy and Derek E. G. Briggs
doi:10.1038/nature06474
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4a0EE
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4b0EF
The coevolution of choosiness and cooperation pp189 - 192
It is shown that if individuals vary in their degree of
cooperativeness, and if they can decide whether or not to continue
interacting with each other on the basis of their respective levels of
cooperativeness, then cooperation can gradually evolve from an
uncooperative state. These results highlight the importance of
individual behavioural differences in fostering the evolution of
cooperation.
John M. McNamara, Zoltan Barta, Lutz Fromhage and Alasdair I. Houston
doi:10.1038/nature06455
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4c0EG
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4d0EH
Identification of the sex genes in an early diverged fungus pp193 - 196
The availability of genomic data for many species is shedding light on
the origin of sex and mating types over evolutionary time. This paper
describes the sex determination region of a zygomycete, the fungus
Phycomyces blakesleeanus.
Alexander Idnurm, Felicia J. Walton, Anna Floyd and Joseph Heitman
doi:10.1038/nature06453
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4e0EI
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4f0EJ
Ultra-fine frequency tuning revealed in single neurons of human
auditory cortex pp197 - 201
Widespread sense antisense transcripts have been identified in
mammalian cells. Many tumour suppressor genes have nearby antisense
RNAs, and an antisense RNA to the cyclin dependent kinase inhibitor
p15 can silence the p15 gene by inducing heterochromatin formation.
Y. Bitterman et al.
doi:10.1038/nature06476
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4g0EK
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4h0EL
Epigenetic silencing of tumour suppressor gene p15 by its antisense
RNA pp202 - 206
Wenqiang Yu et al.
doi:10.1038/nature06468
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4i0EM
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4j0EN
Abscisic acid controls calcium-dependent egress and development in
Toxoplasma gondii pp207 - 210
Calcium signalling is important for apicomplexan parasite virulence.
A newly discovered calcium signalling pathway based on the plant
hormone abscisic acid is now reported in Toxoplasma gondii. As this
pathway is absent in most animals, it may present a new target for
drug intervention.
Kisaburo Nagamune et al.
doi:10.1038/nature06478
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4k0EO
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4l0EP
Defective tryptophan catabolism underlies inflammation in mouse
chronic granulomatous disease pp211 - 215
Chronic granulomatous disease is associated with lack of NADPH
activity in phagocytes and characterized by recurrent bacterial and
fungal infections as well as exagerated inflammation. This paper
shows that the excessive inflammation can be attributed to the lack of
NAPPH-derived reactive oxygen which is required for the conversion of
tryptophan to kynurenine.
Luigina Romani et al.
doi:10.1038/nature06471
Abstract: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4m0EQ
Article: http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4n0ER
----------------------
ERRATUM
----------------------
Two stellar components in the halo of the Milky Way p216
Daniela Carollo et al.
doi:10.1038/nature06542
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4o0ES
----------------------
NATURE JOBS
----------------------
Prospect
Prospects p117
A controversial move to central.
Paul Smaglik
doi:10.1038/nj7175-217a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4p0ET
Special Report
A career at the museum p218
For scientists who want to combine public outreach with research, a
museum may be the perfect place to work, says Ricki Lewis.
doi:10.1038/nj7175-218a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4q0EU
----------------------
FUTURES
----------------------
Zed's fanverse p222
It's only a game...
Toiya Kristen Finley
doi:10.1038/451222a
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4r0EV
------------------------------
ADVANCE ONLINE PUBLICATION
------------------------------
09 January 2008
Letters
Histone H2AX-dependent GABAA receptor regulation of stem cell proliferation
Michael Andäng et al.
doi:10.1038/nature06488
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4s0EW
Lethargus is a Caenorhabditis elegans sleep-like state
David M. Raizen et al.
doi:10.1038/nature06535
http://ealerts.nature.com/cgi-bin24/DM/y/eiZ60Xztnp0HjB0Bk4t0EX
======================================================================
Nature Methods' Method of the Year 2007.
Technological developments often drive scientific progress, so let's
celebrate methods development for its own sake! Nature Methods' editors
have selected the methodological development that most impressed them
in 2007 because it came into its own and started impacting a wide variety
of research areas. Visit the Nature Methods website at www.nature.com/nmeth
to discover the champion, read the story of its development and hear from
expert users about its applications. And since the decision was tough,
there is also a selection of 'Methods to Watch' for the years to come!
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