| | Opinion |  |
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| | US muddles policy on fetal tissue 93
The failure of the US Congress to override the administration's veto of a bill to allow research with fetal tissue is a bad business, both for research and the civility of the coming election campaign.
doi:10.1038/358093a0
PDF (117K)
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| | Protest by barricade 93
Road-blocks are in the best French traditions, but this time deepen the shadow over the European enterprise.
doi:10.1038/358093b0
PDF (236K)
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| | Keeping zoos alive 94
The London Zoological Society should either run its zoo with enthusiasm or hand over to others who would.
doi:10.1038/358094a0
PDF (136K)
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| | News | |
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| | Controversial NIH genome researcher leaves for new $70-million institute 95
Christopher Anderson
doi:10.1038/358095a0
PDF (141K)
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| | Solar observatory shaken by quake 95
David Lindley
doi:10.1038/358095b0
PDF (141K)
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| | Search for contaminant in EMS outbreak goes slowly 96
David Swinbanks & Christopher Anderson
doi:10.1038/358096a0
PDF (330K)
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| | Legal battles amid the science 96
Christopher Anderson
doi:10.1038/358096b0
PDF (330K)
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| | You've read the paper, now see the video 97
David Lindley
doi:10.1038/358097a0
PDF (176K)
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| | Genentech's stance on biodiversity riles staff 97
Sally Lehrman
doi:10.1038/358097b0
PDF (176K)
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| | Delays, confusion over rules hinder EC research projects 98
Alison Abbott
doi:10.1038/358098a0
PDF (296K)
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| | China relaxes rules for visiting citizens 98
You Qin Li
doi:10.1038/358098b0
PDF (139K)
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| | Scientific panel continues work on whaling ban 99
Ian Mundell
doi:10.1038/358099a0
PDF (174K)
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| | US oceanography lab sinks under weight of politics 99
Christopher Anderson
doi:10.1038/358099b0
PDF (174K)
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| | Head of US drug company takes Serbian post 100
Traci Watson
doi:10.1038/358100a0
PDF (143K)
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| | New university funding council to reward potential 100
Ian Mundell
doi:10.1038/358100b0
PDF (143K)
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| | Commentary |  |
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| | Optical tests of Galileo's lenses 101
The science museum in Florence has two telescopes and a single lens attributed to Galileo. Tests conducted with modern interferometric equipment show that Galileo was able to obtain nearly perfect optical quality.
Vincenzo Greco, Giuseppe Molesini & Franco Quercioli
doi:10.1038/358101a0
References | PDF (173K)
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| | Correspondence | |
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| | London Zoo crippled 102
Barry Cross
doi:10.1038/358102a0
PDF (137K)
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| | No connection 102
J. J. Walsh
doi:10.1038/358102b0
PDF (137K)
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| | Nonpersons 102
Anthony Gannon
doi:10.1038/358102c0
PDF (137K)
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| | Journalists in labs 102
Byron H. Waksman
doi:10.1038/358102d0
PDF (137K)
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| | Einstein's beliefs 102
Guy H. Raner Jr & Lawrence S. Lerner
doi:10.1038/358102e0
PDF (137K)
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| | News and Views |  |
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| | Long-range correlations within DNA 103
The idea that nucleotide bases in strands of DNA may be correlated over several thousands of base-positions has been established, but has not yet been explained.
John Maddox
doi:10.1038/358103a0
PDF (142K)
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| | Cold dark matter under a cloud 104
James Binney
doi:10.1038/358104a0
References | PDF (261K)
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| | Crust in mantle overdrive 105
Peter Molnar
doi:10.1038/358105a0
References | PDF (256K)
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Chlamydomonas surrenders 106
Karen P. VanWinkle-Swift
doi:10.1038/358106a0
References | PDF (261K)
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| | Lithium given and taken away 108
Gerry Gilmore
doi:10.1038/358108a0
References | PDF (275K)
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| | Which D4 do you have? 109
Leslie Iversen
doi:10.1038/358109a0
References | PDF (144K)
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| | Resume 110
doi:10.1038/358110a0
PDF (151K)
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| | Amantadine blocks the channel 110
J. J. Skehel
doi:10.1038/358110b0
References | PDF (278K)
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| | Induction and all that 111
Jonathan Cooke
doi:10.1038/358111a0
References | PDF (278K)
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| | A light grip 112
David Jones
doi:10.1038/358112a0
PDF (151K)
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| | Scientific Correspondence | |
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| | Proto-vav and gene expression 113
Mark S. Boguski, Amos Bairoch, T. K. Attwood & George S. Michaels
doi:10.1038/358113a0
References | PDF (133K)
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| | Palaeo-CO2 and climate 114
Robert A. Berner
doi:10.1038/358114a0
References | PDF (140K)
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| | Book Reviews | |
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| | No easy despair 115
George Klein reviews The Fragile Species
By
Lewis Thomas
doi:10.1038/358115a0
PDF (349K)
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| | 115
doi:10.1038/358115b0
PDF (194K)
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| | 116
doi:10.1038/358116a0
PDF (172K)
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| | Friends and foes 116
Diana Barkan reviews Nationalism and Internationalism in Science, 1880−1939: Four Studies of the Nobel Population
By
Elisabeth Crawford
doi:10.1038/358116b0
PDF (304K)
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| | Film review 117
Andrew Holmes-Siedle reviews Hydrogenated Amorphous Silicon
By
R. A. Street
doi:10.1038/358117a0
PDF (279K)
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| | Illusions of empty space? 118
F. D. Kahn reviews The Fullness of Space: Nebulae, Stardust, and the Interstellar Medium
By
Gareth Wynn-Williams & D. C. B. Whittet
doi:10.1038/358118a0
PDF (147K)
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| | Review Article | |
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| | Modelling the hydrological cycle in assessments of climate change 119
D. Rind, C. Rosenzweig & R. Goldberg
doi:10.1038/358119a0
Abstract & References | PDF (443K)
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| | Article |  |
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| | RNA substrate binding site in the catalytic core of the Tetrahymena ribozyme 123
Anna Marie Pyle, Felicia L. Murphy & Thomas R. Cech
doi:10.1038/358123a0
Abstract & References | PDF (941K)
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| | Letters | |
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| | High lithium abundance in the secondary of the black-hole binary system V404 Cygni 129
E. L. Martín, R. Rebolo, J. Casares & P. A. Charles
doi:10.1038/358129a0
First paragraph & References | PDF (330K)
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| | Ozone depletion in the upper stratosphere estimated from satellite and Space Shuttle data 131
Ernest Hilsenrath, Richard P. Cebula & Charles H. Jackman
doi:10.1038/358131a0
First paragraph & References | PDF (338K)
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| | Model of anomalous transport with backreacting localized perturbations 133
M. A. Dubois, P. Beaufumé & B. Fromont
doi:10.1038/358133a0
First paragraph & References | PDF (575K)
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| | Origin of ferroelectricity in perovskite oxides 136
Ronald E. Cohen
doi:10.1038/358136a0
First paragraph & References | PDF (400K)
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| | Regional trends in mercury distribution across the Great Lakes states, north central USA 139
Edward A. Nater & David F. Grigal
doi:10.1038/358139a0
First paragraph & References | PDF (361K)
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| | Petrogenesis of an augite-bearing melt rock in the Chicxulub structure and its relationship to K/T impact spherules in Haiti 141
David A. Kring & William V. Boynton
doi:10.1038/358141a0
First paragraph & References | PDF (473K)
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| | Shear-wave splitting and small-scale convection in the continental upper mantle 144
L. I. Makeyeva, L. P. Vinnik & S. W. Roecker
doi:10.1038/358144a0
First paragraph & References | PDF (504K)
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| | Queen activation of lazy workers in colonies of the eusocial naked mole-rat 147
Hudson K. Reeve
doi:10.1038/358147a0
First paragraph & References | PDF (378K)
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| | Multiple dopamine D4 receptor variants in the human population 149
Hubert H. M. Van Tol, Caren M. Wu, Hong-Chang Guan, Koichi Ohara, James R. Bunzow, Olivier Civelli, James Kennedy, Philip Seeman, Hyman B. Niznik & Vera Jovanovic
doi:10.1038/358149a0
First paragraph & References | PDF (465K)
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| | Objective analysis of the topological organization of the primate cortical visual system 152
Malcolm P. Young
doi:10.1038/358152a0
First paragraph & References | PDF (538K)
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| | Spreading of T-cell autoimmunity to cryptic determinants of an autoantigen 155
Paul V. Lehmann, Thomas Forsthuber, Alexander Miller & Eli E. Sercarz
doi:10.1038/358155a0
First paragraph & References | PDF (403K)
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| | Platelet-derived growth factor stimulates synthesis of Ptdlns(3,4,5)P3 by activating a Ptdlns(4,5)P2 3-OH kinase 157
P. T. Hawkins, T. R. Jackson & L. R. Stephens
doi:10.1038/358157a0
First paragraph & References | PDF (349K)
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| | Human cytomegalovirus UL97 open reading frame encodes a protein that phosphorylates the antiviral nucleoside analogue ganciclovir 160
Edward Littler, Amanda D. Stuart & Mark S. Chee
doi:10.1038/358160a0
First paragraph & References | PDF (338K)
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| | A protein kinase homologue controls phosphorylation of ganciclovir in human cytomegalovirus-infected cells 162
V. Sullivan, C. L. Talarico, S. C. Stanat, M. Davis, D. M. Coen & K. K. Biron
doi:10.1038/358162a0
First paragraph & References | PDF (358K)
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| | Structure of astacin and implications for activation of astacins and zinc-ligation of collagenases 164
W. Bode, F. X. Gomis-Rüth, R. Huber, R. Zwilling & W. Stöcker
doi:10.1038/358164a0
First paragraph & References | PDF (728K)
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Shigella flexneri induces apoptosis in infected macrophages 167
Arturo Zychlinsky, Marie Christine Prevost & Philippe J. Sansonetti
doi:10.1038/358167a0
First paragraph & References | PDF (464K)
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| | Hsp90 chaperones protein folding in vitro
169
Hans Wiech, Johannes Buchner, Richard Zimmermann & Ursula Jakob
doi:10.1038/358169a0
First paragraph & References | PDF (237K)
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| | Product Reviews | |
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| | Protein images obtained by STM, AFM and TEM 171
Scanning tunnelling microscopy and atomic force microscopy, one scanning the tunnelling current and the other the repulsive atomic force between sample and probe, can give high-quality surface topographies of proteins, which have been difficult to obtain by more conventional methods such as transmission electron microscopy.
Hideo Arakawa, Kazuo Umemura & Atsushi Ikai
doi:10.1038/358171a0
References | PDF (406K)
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| | Detection limits 173
New products featured this week include a gel designed specifically for the detection of point mutations and a nonradioactive assay for detecting HIV DMA.
doi:10.1038/358173a0
PDF (303K)
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