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Science, New Series, Vol. 292, No. 5522, Jun. 1, 2001


Previous Issue: New Series, Vol. 292, No. 5521, May 25, 2001
Next Issue: New Series, Vol. 292, No. 5523, Jun. 8, 2001


Front Matter (40 pp.)
Editorial: Can Science Save Africa?, p. 1609
Mohamed H. A. Hassan

Editors' Choice, pp. 1611+1613
Gilbert Chin

Netwatch, p. 1615
Jocelyn Kaiser


News


News of the Week
Arson Strikes Research Labs and Tree Farm in Pacific Northwest, pp. 1622-1623
Robert F. Service
New Dig at Old Trove Yields Giant Sauropod, pp. 1623+1625
Erik Stokstad
Scientists Spar over Reform Plan, pp. 1625-1626
Min Ku
ScienceScope, p. 1625
David Malakoff; Elizabeth Pennisi
ESA Embraces Astrobiology, pp. 1626-1627
Helen Gavaghan
New Leaders Emerge after Senate Shake-Up, p. 1627
David Malakoff
Strobe Light Breaks the Attosecond Barrier, pp. 1627-1628
Robert F. Service
Bee Dance Reveals Bee's-Eye View, pp. 1628-1629
Elizabeth Pennisi
Radical Gravity Theory Hits Large-Scale Snag, p. 1629
Charles Seife
Deep-Space 'Filament' Shows Cosmic Fabric, pp. 1629+1631
Govert Schilling
The Most Powerful Action Flick Ever, p. 1631
Mark Sincell


News Focus
Nuclear Trafficking: `A Real and Dangerous Threat', pp. 1632-1636
Richard Stone
New Effort Puts Radiation Sentinels at the Borders, p. 1633
Susan Ladika
Tracing the Shadowy Origins of Nuclear Contraband, p. 1634
S.L.
What Makes the Mind Dance and Count, pp. 1636-1637
Michael Balter
Is the U.S. Doing Enough to Prevent Mad Cow Disease?, pp. 1639-1641
Martin Enserink
Random Samples, p. 1643
Constance Holden


Science's Compass


Letters
Retraction, p. 1651
A. Greshake; A. Bischoff; A. Putnis; H. Palme
Development of the Brazilian Amazon, pp. 1651-1654
José Paulo Silveira; William F. Laurance; Philip M. Fearnside; Mark A. Cochrane; Sammya D'Angelo; Scott Bergen; Patricia Delamônica
Predicting Human Longevity, pp. 1654-1655
Ronald Lee; S. Jay Olshansky; Bruce A. Carnes; Aline Désesquelles
Human Origins and Ancient Human DNA, pp. 1655-1656
Alan Cooper; Andrew Rambaut; Vincent Macaulay; Eske Willerslev; Anders J. Hansen; Chris Stringer; Gregory J. Adcock; Elizabeth S. Dennis; Simon Easteal; Gavin A. Huttley; Lars S. Jermiin; W. James Peacock; Alan Thorne


Corrections and Clarifications: New Data in Chemistry Show 'Zero' Diversity, p. 1656
Corrections and Clarifications: Presynaptic Kainate Receptor Mediation of Frequency Facilitation at Hippocampal Mossy Fiber Synapses, p. 1656


Science's Compass


Essay on Science and Society
Morals and Primordials, pp. 1659-1660
Louis M. Guenin


Books et al.
Piecing Together a Puzzling World, pp. 1661-1662
Memento
Christopher Nolan
Review author[s]: Esther M. Sternberg
Pathways to Dependency, p. 1662
Forces of Habit: Drugs and the Making of the Modern World
David T. Courtwright
Review author[s]: Jack H. Mendelson


Perspectives
GGAs Tie up the Loose Ends, pp. 1663+1665
Sharon A. Tooze
Cracking Listeria's Password, pp. 1665+1667
B. Brett Finlay
Agrin: A Bridge between the Nervous and Immune Systems, pp. 1667-1668
Alain Trautmann; Eric Vivier
Computation from Geometry, p. 1669
Seth Lloyd
Open Windows to the Polar Oceans, pp. 1670-1671
Peter Lemke
Single-Molecule Spectroscopy Comes of Age, pp. 1671-1672
Anne Myers Kelley; Xavier Michalet; Shimon Weiss


Viewpoint
Neuroimaging Databases, pp. 1673-1676
The Governing Council of the Organization for Human Brain Mapping (OHBM)


Research


Research Article
Physiological Regulation of the Immunological Synapse by Agrin, pp. 1681-1686
Adil A. Khan; Christian Bose; Lung S. Yam; Mark J. Soloski; Fabio Rupp


Reports
Evidence for Dust Grain Growth in Young Circumstellar Disks, pp. 1686-1689
Henry B. Throop; John Bally; Larry W. Esposito; Mark J. McCaughrean
Observation of a Train of Attosecond Pulses from High Harmonic Generation, pp. 1689-1692
P. M. Paul; E. S. Toma; P. Breger; G. Mullot; F. Augé; Ph. Balcou; H. G. Muller; P. Agostini
Anomalous Weak Magnetism in Superconducting YBa2Cu3O 6+x </latex>, pp. 1692-1695
J. E. Sonier; J. H. Brewer; R. F. Kiefl; R. I. Miller; G. D. Morris; C. E. Stronach; J. S. Gardner; S. R. Dunsiger; D. A. Bonn; W. N. Hardy; R. Liang; R. H. Heffner
Geometric Manipulation of Trapped Ions for Quantum Computation, pp. 1695-1697
L.-M. Duan; J. I. Cirac; P. Zoller
Explaining the Weddell Polynya: A Large Ocean Eddy Shed at Maud Rise, pp. 1697-1700
D. M. Holland
Photosynthesis-Induced Biofilm Calcification and Calcium Concentrations in Phanerozoic Oceans, pp. 1701-1704
Gernot Arp; Andreas Reimer; Joachim Reitner
A Giant Sauropod Dinosaur from an Upper Cretaceous Mangrove Deposit in Egypt, pp. 1704-1706
Joshua B. Smith; Matthew C. Lamanna; Kenneth J. Lacovara; Peter Dodson; Jennifer R. Smith; Jason C. Poole; Robert Giegengack; Yousry Attia
Climate-Driven Range Expansion and Morphological Evolution in a Marine Gastropod, pp. 1707-1710
Michael E. Hellberg; Deborah P. Balch; Kaustuv Roy
Parent-Offspring Coadaptation and the Dual Genetic Control of Maternal Care, pp. 1710-1712
Aneil F. Agrawal; Edmund D. Brodie III; Jeremy Brown
Sorting of Mannose 6-Phosphate Receptors Mediated by the GGAs, pp. 1712-1716
Rosa Puertollano; Rubén C. Aguilar; Inna Gorshkova; Robert J. Crouch; Juan S. Bonifacino
Binding of GGA2 to the Lysosomal Enzyme Sorting Motif of the Mannose 6-Phosphate Receptor, pp. 1716-1718
Yunxiang Zhu; Balraj Doray; Anssi Poussu; Veli-Pekka Lehto; Stuart Kornfeld
G Protein Signaling from Activated Rat Frizzled-1 to the β-Catenin-Lef-Tcf Pathway, pp. 1718-1722
Tong Liu; Anthony J. DeCostanzo; Xunxian Liu; Hsien-yu Wang; Sarah Hallagan; Randall T. Moon; Craig C. Malbon
A Transgenic Model for Listeriosis: Role of Internalin in Crossing the Intestinal Barrier, pp. 1722-1725
Marc Lecuit; Sandrine Vandormael-Pournin; Jean Lefort; Michel Huerre; Pierre Gounon; Catherine Dupuy; Charles Babinet; Pascale Cossart
Structure of Complement Receptor 2 in Complex with Its C3d Ligand, pp. 1725-1728
Gerda Szakonyi; Joel M. Guthridge; Dawei Li; Kendra Young; V. Michael Holers; Xiaojiang S. Chen
Insulin Resistance and a Diabetes Mellitus-Like Syndrome in Mice Lacking the Protein Kinase Akt2 (PKBβ), pp. 1728-1731
Han Cho; James Mu; Jason K. Kim; Joanne L. Thorvaldsen; Qingwei Chu; E. Bryan Crenshaw III; Klaus H. Kaestner; Marisa S. Bartolomei; Gerald I. Shulman; Morris J. Birnbaum


Back Matter (53 pp.)

Previous Issue: New Series, Vol. 292, No. 5521, May 25, 2001
Next Issue: New Series, Vol. 292, No. 5523, Jun. 8, 2001



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