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Science, New Series, Vol. 268, No. 5213, May 19, 1995


Previous Issue: New Series, Vol. 268, No. 5212, May 12, 1995
Next Issue: New Series, Vol. 268, No. 5214, May 26, 1995


Front Matter (27 pp.)
Editorial: Renewable Liquid Fuels, p. 955
Philip H. Abelson


Letters
"Future Shock", pp. 957-958
J. B. Hall; Quentin D. Wheeler; F. P. Hughes; Joseph C. Hager; Linda R. Maxson
RERF Scientific Agenda and DOE, pp. 958-959
Seymour Abrahamson; M. Akiyama; K. Kodama; K. Mabuchi; J. L. Ohara; D. L. Preston; C. Satoh; M. Akahoshi; Y. Shibata; M. Soda
Models of Protein Folding, pp. 959-961
Temple F. Smith; Peter G. Wolynes; Jose N. Onuchic; Devarajan Thirumalai


Corrections and Clarifications: FDA Puts the Brakes on Xenotransplants, p. 961
ScienceScope, p. 963
Richard Stone


News and Comment
GOP Plans Would Reshuffle Science, pp. 964-965+967
Andrew Lawler
... As O'Leary Struggles to Preserve Energy Department, pp. 965-966
Andrew Lawler
Bill Threatens Child Survey Research, pp. 967-968
Robert F. Service
Can Risky Mergers Save Hospital-Based Research?, pp. 968-969
Wade Roush
Japan Agrees to Help Build the LHC, p. 969
Daniel Clery
Wetlands Reform Bill Is All Wet, Say Scientists, p. 970
Richard Stone


Research News
Helping Neurons Find Their Way, pp. 971-973
Jean Marx
Chimpanzee Outbreak Heats Up Search for Ebola Origin, pp. 974-975
Virginia Morell
COBE Seeks Universe's First Blush, pp. 975-976
Antonio Regalado
Have 25-Million-Year-Old Bacteria Returned to Life?, p. 977
Joshua Fischman


Random Samples, p. 979
Richard Stone


Policy Forums
On-Road Vehicle Emissions: Regulations, Costs, and Benefits, pp. 991-993
Stuart P. Beaton; Gary A. Bishop; Yi Zhang; Lowell L. Ashbaugh; Douglas R. Lawson; Donald H. Stedmam
Environmental Implications of Electric Cars, pp. 993-995
Lester B. Lave; Chris T. Hendrickson; Francis Clay McMichael


Perspective
At Last-the Crystal Structure of Urease, pp. 996-997
Stephen J. Lippard


Research Article
The Crystal Structure of Urease from Klebsiella aerogenes, pp. 998-1004
Evelyn Jabri; Mary Beth Carr; Robert P. Hausinger; P. Andrew Karplus


Reports


The Ulysses Mission
Ulysses Above the Sun's South Pole: An Introduction, pp. 1005-1007
Edward J. Smith; Richard G. Marsden; D. Edgar Page
The Heliospheric Magnetic Field Over the South Polar Region of the Sun, pp. 1007-1010
A. Balogh; E. J. Smith; B. T. Tsurutani; D. J. Southwood; R. J. Forsyth; T. S. Horbury
Over the Southern Solar Pole: Low-Energy Interplanetary Charged Particles, pp. 1010-1013
L. J. Lanzerotti; T. P. Armstrong; R. E. Gold; C. G. Maclennan; E. C. Roelof; G. M. Simnett; D. J. Thomson; K. A. Anderson; S. E. Hawkins III; S. M. Krimigis; R. P. Lin; M. Pick; E. T. Sarris; S. J. Tappin
Observations of Energetic Particles with EPAC on Ulysses in Polar Latitudes of the Heliosphere, pp. 1013-1016
E. Keppler; M. Fränz; A. Korth; M. K. Reuss; J. B. Blake; R. Seidel; J. J. Quenby; M. Witte
Dust Measurements at High Ecliptic Latitudes, pp. 1016-1019
M. Baguhl; D. P. Hamilton; E. Grün; S. F. Dermott; H. Fechtig; M. S. Hanner; J. Kissel; B.-A. Lindblad; D. Linkert; G. Linkert; I. Mann; J. A. M. McDonnell; G. E. Morfill; C. Polanskey; R. Riemann; G. Schwehm; P. Staubach; H. A. Zook
Cosmic Ray and Solar Particle Investigations Over the South Polar Regions of the Sun, pp. 1019-1023
J. A. Simpson; J. D. Anglin; V. Bothmer; J. J. Connell; P. Ferrando; B. Heber; H. Kunow; C. Lopate; R. G. Marsden; R. B. McKibben; R. Müller-Mellin; C. Paizis; C. Rastoin; A. Raviart; T. R. Sanderson; H. Sierks; K. J. Trattner; K.-P. Wenzel; G. Wibberenz; M. Zhang
Corotating Variations of Cosmic Rays Near the South Heliospheric Pole, pp. 1024-1025
J. Kóta; J. R. Jokipii
Ulysses Radio and Plasma Wave Observations at High Southern Heliographic Latitudes, pp. 1026-1029
R. G. Stone; R. J. MacDowall; J. Fainberg; S. Hoang; M. L. Kaiser; P. J. Kellogg; N. Lin; V. A. Osherovich; J. L. Bougeret; P. Canu; N. Cornilleau-Wehrlin; M. D. Desch; K. Goetz; M. L. Goldstein; C. C. Harvey; D. Lengyel-Frey; R. Manning; M. J. Reiner; J. L. Steinberg; G. Thejappa
Ulysses Solar Wind Plasma Observations at High Southerly Latitudes, pp. 1030-1033
J. L. Phillips; S. J. Bame; W. C. Feldman; B. E. Goldstein; J. T. Gosling; C. M. Hammond; D. J. McComas; M. Neugebauer; E. E. Scime; S. T. Suess
The Southern High-Speed Stream: Results from the SWICS Instrument on Ulysses, pp. 1033-1036
J. Geiss; G. Gloeckler; R. von Steiger; H. Balsiger; L. A. Fisk; A. B. Galvin; F. M. Ipavich; S. Livi; J. F. McKenzie; K. W. Ogilvie; B. Wilken

Requirement of a Small Cytoplasmic RNA for the Establishment of Thermotolerance, pp. 1036-1039
Peter A. Fung; Jacek Gaertig; Martin A. Gorovsky; Richard L. Hallberg
Structure of a Complex of Two Plasma Proteins: Transthyretin and Retinol-Binding Protein, pp. 1039-1041
Hugo L. Monaco; Menico Rizzi; Alessandro Coda
Local Calcium Transients Triggered by Single L-Type Calcium Channel Currents in Cardiac Cells, pp. 1042-1045
José Ramón López-López; Philip S. Shacklock; C. William Balke; Withrow Gil Wier
The Control of Calcium Release in Heart Muscle, pp. 1045-1049
M. B. Cannell; H. Cheng; W. J. Lederer
Identification of hSRP1α as a Functional Receptor for Nuclear Localization Sequences, pp. 1049-1053
Karsten Weis; Iain W. Mattaj; Angus I. Lamond
Photovoltage of Rods and Cones in the Macaque Retina, pp. 1053-1056
David M. Schneeweis; Julie L. Schnapf
Ribosomal RNA Precursor Processing by a Eukaryotic U3 Small Nucleolar RNA-Like Molecule in an Archaeon, pp. 1056-1060
Simon Potter; Peter Durovic; Patrick P. Dennis
Revival and Identification of Bacterial Spores in 25- to 40-Million-Year-Old Dominican Amber, pp. 1060-1064
Raúl J. Cano; Monica K. Borucki


Technical Comments
Criteria for Testing Character Displacement, pp. 1065-1067
Paul A. Murtaugh; Joseph Bernardo; William J. Resetarits Jr.; Arthur E. Dunham; Dolph Schluter


Book Reviews
Upcoming Book Issue, p. 1071


Back Matter (29 pp.)

Previous Issue: New Series, Vol. 268, No. 5212, May 12, 1995
Next Issue: New Series, Vol. 268, No. 5214, May 26, 1995



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