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[½»Á÷] Nature Contents 26 January 2006 (Vol. 439 pp.369-508)

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The search for a topographic signature of life
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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ningkeqing

ľ³æ (ÕýʽдÊÖ)

----------------------
NEWS AND VIEWS
----------------------
Physiology: Plants on a different scale
Is there a unified theory that relates size and metabolic rate across all
organisms? Maybe not, according to the results of experiments that measured
respiration in plants of widely varying mass.
Lars O. Hedin
http://www.nature.com/nature/journal/v439/n7075/full/439399a.html

Extrasolar planets: Light through a gravitational lens
A planet with a mass lower than that of Neptune has been detected as its
gravity bent the light from a remote star. This lensing technique adds to
our arsenal for spotting small planets outside the Solar System.
Didier Queloz
http://www.nature.com/nature/journal/v439/n7075/full/439400a.html

Metabolism: Bile acids heat things up
Thyroid hormone causes fat loss, but harnessing this action to treat obesity
is difficult because it is associated with harmful side effects. However,
bile acids generate active thyroid hormone just where it is needed.
John D. Baxter and Paul Webb
http://www.nature.com/nature/journal/v439/n7075/full/439402a.html

Travel: Fitting the bill
Rory Howlett
http://www.nature.com/nature/journal/v439/n7075/full/439402b.html

50 & 100 years ago
http://www.nature.com/nature/journal/v439/n7075/full/439403a.html

Development: Twists of fate in the brain
How does the complex array of cell types and functions in the mammalian
brain develop? Tracking cells by gene expression shows how their fates
derive from organization within the simple embryonic neural tube.
Richard V. Pearse, II and Clifford J Tabin
http://www.nature.com/nature/journal/v439/n7075/full/439404a.html

Materials science: A new order for metallic glasses
Like normal glass, metallic glasses lack long-range order. But experiments
and simulations show that, on the nanoscale, clusters of atoms interconnect
in these materials to form highly structured /`superclusters/'.
Alain Reza Yavari
http://www.nature.com/nature/journal/v439/n7075/full/439405a.html

DNA repair: Tails of histones lost
A double-stranded break in DNA can profoundly destabilize a cell's genome.
But how does the cell recognize the damage and halt division until it can be
fixed? The answer lies in the proteins that package and unravel DNA.
Andre Nussenzweig and Tanya Paull
http://www.nature.com/nature/journal/v439/n7075/full/439406a.html

----------------------
BRIEF COMMUNICATIONS
----------------------
Biogeography: Molecular trails from hitch-hiking snails
Migrating birds may have transported the Balea land snail across vast
distances to remote islands.
Edmund Gittenberger, Dick S. J. Groenenberg, Bas Kokshoorn and Richard C.
Preece
Abstract: http://www.nature.com/nature/journal/v439/n7075/abs/439409a.html
Article: http://www.nature.com/nature/journal/v439/n7075/full/439409a.html

BRIEF COMMUNICATIONS ARISING
Earth science: A wet mantle conductor?
Marc Hirschmann
Abstract:
http://www.nature.com/nature/jou ... bs/nature04528.html
Article:
http://www.nature.com/nature/jou ... ll/nature04528.html

Earth science: A wet mantle conductor? (Reply)
Xiaoge Huang, Yousheng Xu and Shun-ichiro Karato
Abstract:
http://www.nature.com/nature/jou ... bs/nature04529.html
Article:
http://www.nature.com/nature/jou ... ll/nature04529.html

----------------------
REVIEW
----------------------
The search for a topographic signature of life
William E. Dietrich and J. Taylor Perron
Abstract:
http://www.nature.com/nature/jou ... bs/nature04452.html
Article:
http://www.nature.com/nature/jou ... ll/nature04452.html

----------------------
ARTICLES
----------------------
Atomic packing and short-to-medium-range order in metallic glasses
H. W. Sheng, W. K. Luo, F. M. Alamgir, J. M. Bai and E. Ma
Abstract:
http://www.nature.com/nature/jou ... bs/nature04421.html
Article:
http://www.nature.com/nature/jou ... ll/nature04421.html

Policing stabilizes construction of social niches in primates
Jessica C. Flack, Michelle Girvan, Frans B. M. de Waal and David C. Krakauer
Abstract:
http://www.nature.com/nature/jou ... bs/nature04326.html
Article:
http://www.nature.com/nature/jou ... ll/nature04326.html

Epigenetic silencers and Notch collaborate to promote malignant tumours by
Rb silencing
Dolors Ferres-Marco et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04376.html
Article:
http://www.nature.com/nature/jou ... ll/nature04376.html

----------------------
LETTERS
----------------------
Discovery of a cool planet of 5.5 Earth masses through gravitational
microlensing
J.-P. Beaulieu et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04441.html
Article:
http://www.nature.com/nature/jou ... ll/nature04441.html

Laser acceleration of quasi-monoenergetic MeV ion beams
B. M. Hegelich et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04400.html
Article:
http://www.nature.com/nature/jou ... ll/nature04400.html

Lasera-plasma acceleration of quasi-monoenergetic protons from
microstructured targets
H. Schwoerer et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04492.html
Article:
http://www.nature.com/nature/jou ... ll/nature04492.html

Amplification of chirality in two-dimensional enantiomorphous lattices
Roman Fasel, Manfred Parschau and Karl-Heinz Ernst
Abstract:
http://www.nature.com/nature/jou ... bs/nature04419.html
Article:
http://www.nature.com/nature/jou ... ll/nature04419.html

A climatologically significant aerosol longwave indirect effect in the
Arctic
Dan Lubin and Andrew M. Vogelmann
Abstract:
http://www.nature.com/nature/jou ... bs/nature04449.html
Article:
http://www.nature.com/nature/jou ... ll/nature04449.html

Universal scaling of respiratory metabolism, size and nitrogen in plants
Peter B. Reich, Mark G. Tjoelker, Jose-Luis Machado and Jacek Oleksyn
Abstract:
http://www.nature.com/nature/jou ... bs/nature04282.html
Article:
http://www.nature.com/nature/jou ... ll/nature04282.html

The scaling laws of human travel
D. Brockmann, L. Hufnagel and T. Geisel
Abstract:
http://www.nature.com/nature/jou ... bs/nature04292.html
Article:
http://www.nature.com/nature/jou ... ll/nature04292.html

Empathic neural responses are modulated by the perceived fairness of others
Tania Singer, Ben Seymour, John P. O'Doherty, Klaas E. Stephan, Raymond J.
Dolan and Chris D. Frith
Abstract:
http://www.nature.com/nature/jou ... bs/nature04271.html
Article:
http://www.nature.com/nature/jou ... ll/nature04271.html

The adult Drosophila posterior midgut is maintained by pluripotent stem
cells
Benjamin Ohlstein and Allan Spradling
Abstract:
http://www.nature.com/nature/jou ... bs/nature04333.html
Article:
http://www.nature.com/nature/jou ... ll/nature04333.html

Evidence that stem cells reside in the adult Drosophila midgut epithelium
Craig A. Micchelli and Norbert Perrimon
Abstract:
http://www.nature.com/nature/jou ... bs/nature04371.html
Article:
http://www.nature.com/nature/jou ... ll/nature04371.html

Pregnenolone stabilizes microtubules and promotes zebrafish embryonic cell
movement
Hwei-Jan Hsu, Ming-Ren Liang, Chao-Tsen Chen and Bon-chu Chung
Abstract:
http://www.nature.com/nature/jou ... bs/nature04436.html
Article:
http://www.nature.com/nature/jou ... ll/nature04436.html

Bile acids induce energy expenditure by promoting intracellular thyroid
hormone activation
Mitsuhiro Watanabe et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04330.html
Article:
http://www.nature.com/nature/jou ... ll/nature04330.html

Architecture of ribonucleoprotein complexes in influenza A virus particles
Takeshi Noda, Hiroshi Sagara, Albert Yen, Ayato Takada, Hiroshi Kida, R.
Holland Cheng and Yoshihiro Kawaoka
Abstract:
http://www.nature.com/nature/jou ... bs/nature04378.html
Article:
http://www.nature.com/nature/jou ... ll/nature04378.html

Chromatin organization and cell fate switch respond to positional
information in Arabidopsis
Silvia Costa and Peter Shaw
Abstract:
http://www.nature.com/nature/jou ... bs/nature04269.html
Article:
http://www.nature.com/nature/jou ... ll/nature04269.html

A phosphatase complex that dephosphorylates ¦ÃH2AX regulates DNA damage
checkpoint recovery
Michael-Christopher Keogh et al.
Abstract:
http://www.nature.com/nature/jou ... bs/nature04384.html
Article:
http://www.nature.com/nature/jou ... ll/nature04384.html
2Â¥2006-02-02 05:27:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mtgy

½ð³æ (СÓÐÃûÆø)

Thanks a lot!
ֻΪ³É¹¦ÕÒ·½·¨£¬²»ÎªÊ§°ÜÕÒ½è¿Ú¡£
3Â¥2006-02-02 08:06:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

alicew

Í­³æ (ÕýʽдÊÖ)

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