| | Opinion |  |
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| | Playing the trump card of uncertainty 1
Republicans in the United States are promoting legislation that would insist on scientific risk analysis before any tightening of environmental regulation. The proposals are not acceptable.
doi:10.1038/380001a0
PDF (252K)
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| | Infected blood in Japan 1
Japan's regulatory system for drugs and other medical treatment needs to be completely overhauled.
doi:10.1038/380001b0
PDF (252K)
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| | News | |
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| | Costs of satellite camera threaten to push Europe out of the picture 3
Alison Abbott
doi:10.1038/380003a0
PDF (245K)
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| | Cuts put standards at risk, say UK universities 3
doi:10.1038/380003b0
PDF (245K)
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| | US cancer institute shifts funds to external research 4
Meredith Wadman
doi:10.1038/380004a0
PDF (258K)
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| | JET heads for reprieve 4
doi:10.1038/380004b0
PDF (258K)
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| | International biotech centre opens in Delhi with plea for cash 4
K. S. Jayaraman
doi:10.1038/380004c0
PDF (258K)
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| | Congress cool on research funding proposals 5
Colin Macilwain
doi:10.1038/380005a0
PDF (554K)
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| | 5
doi:10.1038/380005b0
PDF (554K)
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| | Britain may set up genetics advisory body... 6
David Dickson
doi:10.1038/380006a0
PDF (264K)
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| | ...as ethics report clears xenografts 6
David Dickson
doi:10.1038/380006b0
PDF (264K)
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| | No takers so far for NASA science institutes 7
Tony Reichhardt
doi:10.1038/380007a0
PDF (712K)
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| | Untethered satellite still produced data 7
Alison Abbott
doi:10.1038/380007b0
PDF (712K)
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| | Plans for N-test simulators trigger reaction 8
Declan Butler
doi:10.1038/380008a0
PDF (449K)
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| | 8
doi:10.1038/380008b0
PDF (449K)
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| | News in Brief | |
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| | News in brief 9
doi:10.1038/380009a0
PDF (257K)
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| | Briefings | |
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| | Risk: a suitable case for analysis? 10
Is scientific risk assessment the best way to make decisions about environmental threats? Republicans in the US Congress, and many in industry, think it is. Others — including environmentalists—are less convinced.
Colin Macilwain
doi:10.1038/380010a0
PDF (2,024K)
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| | 11
doi:10.1038/380011a0
PDF (1,234K)
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| | 12
doi:10.1038/380012a0
PDF (918K)
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| | 13
doi:10.1038/380013a0
PDF (1,586K)
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| | 13
doi:10.1038/380013b0
PDF (823K)
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| | 14
doi:10.1038/380014a0
PDF (764K)
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| | Correspondence | |
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Nature a back number? 15
Richard J. Brook
doi:10.1038/380015a0
PDF (280K)
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| | Knowing birds 15
John Godfrey
doi:10.1038/380015b0
PDF (280K)
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| | Endangered Spanish science 16
Rosa Carballada, Cristina Hernández-Munain & Carlos Suñe-Negre
doi:10.1038/380016a0
PDF (333K)
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| | Endangered Spanish science 16
Juan F. Beltrán, Juan J. Negro, José L. Yela & José A. Mateo
doi:10.1038/380016b0
PDF (805K)
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| | Study in Germany 17
Manfred Osten
doi:10.1038/380017a0
PDF (473K)
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| | Japan lagging in influenza jabs 18
Yoshio Hirota, David S. Fedson & Masaro Kaji
doi:10.1038/380018a0
References | PDF (244K)
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| | Distrust of science 18
Christopher B. Johnson
doi:10.1038/380018b0
PDF (244K)
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| | Pensionable age? 18
Yuri Berlin
doi:10.1038/380018c0
PDF (244K)
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| | News and Views |  |
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| | A crack in the Standard Model? 19
The Standard Model of particle physics has it that quarks are fundamental particles. But an experiment that echoes two past revolutions in our understanding of matter might hint instead at an even smaller level of structure.
Frank Wilczek
doi:10.1038/380019a0
References | PDF (712K)
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| | 20
doi:10.1038/380020a0
PDF (397K)
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| | Big rigs in blood coagulation 21
J. Fernando Bazan
doi:10.1038/380021a0
References | PDF (683K)
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| | Bombarding Mars lately 23
Clark R. Chapman
doi:10.1038/380023a0
References | PDF (633K)
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| | Lambing by nuclear transfer 24
Davor Solter
doi:10.1038/380024a0
References | PDF (686K)
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| | The brain organization 25
Siew-Lan Ang
doi:10.1038/380025a0
References | PDF (769K)
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| | Holography with X-rays 27
Charles S. Fadley & Patrick M. Len
doi:10.1038/380027a0
References | PDF (701K)
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| | Simple tastes 28
David Jones
doi:10.1038/380028a0
PDF (256K)
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| | Scientific Correspondence | |
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| | Transparent light-emitting devices 29
V. Bulovic, G. Gu, P. E. Burrows, S.
R. Forrest & M. E. Thompson
doi:10.1038/380029a0
References | PDF (341K)
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| | HIV reverse transcription in yeast 30
D. V. Nissley, D. J. Garfinkel & J. N. Strathern
doi:10.1038/380030a0
References | PDF (230K)
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| | Why are toads right-handed? 30
Tomio Naitoh & Richard Wassersug
doi:10.1038/380030b0
References | PDF (459K)
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| | The risk of crop transgene spread 31
Thomas R. Mikkelsen, Bente Andersen & Rikke Bagger Jørgensen
doi:10.1038/380031a0
References | PDF (230K)
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| | Soil classification 31
Dan H. Yaalon
doi:10.1038/380031b0
PDF (457K)
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| | A covalently crosslinked histone 32
Takahiko Shimizu, Keiko Hozumi, Shintarou Horiike, Kazuto Nunomura, Susumu Ikegami, Toshifumi Takao & Yasutsugu Shimonishi
doi:10.1038/380032a0
References | PDF (228K)
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| | Book Reviews |  |
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| | Collisions and collusion 33
Jeremy Bernstein reviews Use Meitner: A Life in Physics
By
Ruth Lewin Sime
doi:10.1038/380033a0
PDF (546K)
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| | Chemical contexts 34
Philip Ball reviews The Same and Not the Same Columbia
By
Roald Hoffmann
doi:10.1038/380034a0
PDF (576K)
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| | Truth in the balance 35
Willem Hackmann reviews The Invisible World: Early Modern Philosophy and the Invention of the Microscope
By
Catherine Wilson and Instruments and the Imagination
By
Thomas L. Hankins & Robert J. Silverman
doi:10.1038/380035a0
PDF (754K)
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| | Underground art 36
doi:10.1038/380036a0
PDF (453K)
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| | Progress | |
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| | A common plan for dorsoventral patterning in Bilateria 37
Functional studies seem now to confirm, as first suggested by E. Geoffrey Saint-Hilaire in 1822, that there was an inversion of the dorsoventral axis during animal evolution. A conserved system of extracellular signals provides positional information for the allocation of embryonic cells to specific tissue types both in Drosophila and vertebrates; the ventral region of Drosophila is homologous to the dorsal side of the vertebrate. Developmental studies are now revealing some of the characteristics of the ancestral animal that gave rise to the arthropod and mammalian lineages, for which we propose the name Urbilateria.
E. M. De Robertis & Yoshiki Sasai
doi:10.1038/380037a0
References | PDF (967K)
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| | Article |  |
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| | The crystal structure of the complex of blood coagulation factor VIIa with soluble tissue factor 41
David W. Banner, Allan D'Arcy, Christiana Chène, Fritz K. Winkler, Arabinda Guha, William H. Konigsberg, Yale Nemerson & Daniel Kirchhofer
doi:10.1038/380041a0
Abstract & References | PDF (1,589K)
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| | Letters | |
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| | Measurement of the opacity of ionized helium in the intergalactic medium 47
Arthur F. Davidsen, Gerard A. Kriss & Wei Zheng
doi:10.1038/380047a0
First paragraph & References | PDF (776K)
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| | X-ray holography with atomic resolution 49
Miklós Tegze & Gyula Faigel
doi:10.1038/380049a0
First paragraph & References | PDF (781K)
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| | Rapid climate changes in the tropical Atlantic region during the last deglaciation 51
Konrad A. Hughen, Jonathan T. Overpeck, Larry C. Peterson & Susan Trumbore
doi:10.1038/380051a0
First paragraph & References | PDF (968K)
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| | Intense mixing of Antarctic Bottom Water in the equatorial Atlantic Ocean 54
K. L. Polzin, K. G. Speer, J. M. Toole & R. W. Schmitt
doi:10.1038/380054a0
First paragraph & References | PDF (1,216K)
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| | A 4-Gyr shock age for a martian meteorite and implications for the cratering history of Mars 57
R. D. Ash, S. F. Knott & G. Turner
doi:10.1038/380057a0
First paragraph & References | PDF (651K)
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| | Detection of magnetic field intensity by sea turtles 59
Kenneth J. Lohmann & Catherine M. F. Lohmann
doi:10.1038/380059a0
First paragraph & References | PDF (685K)
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| | Role of protozoan grazing in relieving iron limitation of phytoplankton 61
Katherine Barbeau, James W. Moffett, David A. Caron, Peter L. Croot & Deana L. Erdner
doi:10.1038/380061a0
First paragraph & References | PDF (915K)
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| | Sheep cloned by nuclear transfer from a cultured cell line 64
K. H. S. Campbell, J. McWhir, W. A. Ritchie & I. Wilmut
doi:10.1038/380064a0
First paragraph & References | PDF (750K)
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| | Midbrain development induced by FGF8 in the chick embryo 66
Philip H. Crossley, Salvador Martinez & Gail R. Martin
doi:10.1038/380066a0
First paragraph & References | PDF (899K)
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| | Dissociation in prefrontal cortex of affective and attentional shifts 69
R. Dias, T. W. Robbins & A. C. Roberts
doi:10.1038/380069a0
First paragraph & References | PDF (1,562K)
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| | Enhanced dihydropyridine receptor channel activity in the presence of ryanodine receptor 72
Junichi Nakai, Robert T. Dirksen, Hanh T. Nguyen, Isaac N. Pessah, Kurt G. Beam & Paul D. Allen
doi:10.1038/380072a0
First paragraph & References | PDF (886K)
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| | Requirement for ceramide-initiated SAPK/JNK signalling in stress-induced apoptosis 75
Marcel Verheij, Ron Bose, Xin Hua Lin, Bei Yao, W. David Jarvis, Steven Grant, Michael J. Birrer, Eva Szabo, Leonard I. Zon, John M. Kyriakis, Adriana Haimovitz-Friedman, Zvi Fuks & Richard N. Kolesnick
doi:10.1038/380075a0
First paragraph & References | PDF (1,121K)
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| | Telomerase activation by the E6 gene product of human papillomavirus type 16 79
Aloysius J. Klingelhutz, Scott A. Foster & James K. McDougall
doi:10.1038/380079a0
First paragraph & References | PDF (1,263K)
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| | A mammalian SRB protein associated with an RNA polymerase II holoenzyme 82
David M. Chao, Ellen L. Gadbois, Peter J. Murray, Stephen F. Anderson, Michelle S. Sonu, Jeffrey D. Parvin & Richard A. Young
doi:10.1038/380082a0
First paragraph & References | PDF (1,010K)
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| | Initiation of V(D)J recombination in vitro obeying the 12/23 rule 85
Quinn M. Eastman, Thomas M. J. Leu & David G. Schatz
doi:10.1038/380085a0
First paragraph & References | PDF (1,368K)
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