Ronald Greeley
Department of Geology
Arizona State University
Tempe, AZ 85287-1404

Michael Malin
Malin Space Science Systems
San Diego, CA

Harry Y. McSween Jr.
Department of Geological Sciences
University of Tennessee
Knoxville, TN 3799601410

Research in monkeys indicates that two genetically engineered antibodies may protect transplants from rejection.

John J. Fung
University of Pittsburgh
3601 Fifth Avenue
4C Falk Clinic
Pittsburgh, PA 15213

Stuart J. Knechtle
Division of Transplantation
University of Wisconsin Hospital
Madison, WI 53792

PCBs linked to rise in lymph cancers

Exposure to PCBs--and perhaps a virus--may explain the skyrocketing growth of a potentially lethal cancer, non-Hodgkin's lymphoma.

Linda S. Birnbaum
National Health and Environmental Effects Research Laboratory
Environmental Protection Agency
MD-66
Research Triangle Park, NC 27711

Lennart Hardell
Department of General Oncology
Orebro Medical Center Hospital
S-701 85 Orebro
Orebro County Council
Sweden

Patricia Hartge
6130 Executive Boulevard
EPN 443
Bethesda, MD 20892-7374

Nathaniel Rothman
DHHS, NIH, NCI, DCE, E&BP
Occupational Epidemiology Branch
EPN 418
6130 Executive Boulevard MSC 7364
Bethesda, MD 20892-9093

To stop themselves from committing suicide despite mutations, cancer cells make a protein not normally produced by adult tissues.

Dario Altieri
Boyer Center for Molecular Medicine
Yale University School of Medicine
295 Congress Avenue
Room 436
New Haven, CT 06536

Grazia Ambrosini
Boyer Center for Molecular Medicine
Department of Pathology
Yale University School of Medicine
295 Congress Avenue
New Haven, CT 06536

John C. Reed
Burnham Institute
Program on Apoptosis and Cell Death Research
10901 North Torrey Pines Road
La Jolla, CA 92037

Women who experience temporary declines of an ovarian hormone successfully solve complex problems although they no longer exhibit the brain response previously linked to success on such tasks, a research team reports.

Karen F. Berman
National Institutes of Health
Building 10, Room 4C101
9000 Rockville Pike
Bethesda, MD 20892-1365

Barbara B. Sherwin
Department of Psychology
McGill University
1205 Dr. Penfield Avenue
Montreal QC H3A 1B1
Canada

Deep sea deposits of hydrates, crystallized structures of water and hydrocarbon gases, are home to a previously unknown, pink, many-legged marine worm.

Charles Fisher
Department of Biology
Eberly College of Science
Pennsylvania State University
208 Erwin W. Mueller Laboratory
University Park, PA 16802-5301

Ian McDonald
Department of Oceanography
Texas A&M University
College Station, Texas 77843-3146

Andre Toulmond
Observatoire Oceanologique de Roscoff
Universite Pierre et Marie Curie and Centre National de la Recherche Scientifique
Station Biologique
BP 74
29682 Roscoff Cedex
France
Website: http://www.sb-roscoff.fr

A discovery in Greenland may rewrite the history of vertebrates' earliest ventures from the water onto land.

Per E. Ahlberg Department of Paleontology Natural History Museum
Cromwell Road
London SW7 5BO
England

Ebbe H. Hartz
Department of Geology
University of Oslo
P.O. Box 1047
0316 Oslo
Norway

Neil H. Shubin
Department of Biology
University of Pennsylvania
Philadelphia, PA 19104-6017

Communism in trees goes underground

Trees transfer carbon to their neighbors, according to their needs, via an underground fungal network.

David A. Perry
Forest Science Department
Oregon State University
Corvallis, OR 97331

David Read
Department of Animal and Plant Sciences
University of Sheffield
Sheffield S10 2TN
United Kingdom

Suzanne W. Simard
Kamloops Forest Region
British Columbia Ministry of Forests
Kamloops, BC V2C 2T7
Canada

Research Notes:

Biomedicine

An ultrasound exam after week 18 of pregnancy greatly improves doctors' ability to detect heart defects in the fetus.

Mary Jo Rice
Pediatric Echocardiography Laboratory
Oregon Health Sciences University
3181 SW Sam Jackson Park Road
Portland, OR 97201

Henry Sondheimer
Pediatric Cardiology Clinic
University of Colorado Health Sciences Center
The Children's Hospital
Denver, CO

The AIDS virus in blood from a man's diseased gums may have infected his female partner when they kissed.

Scott D. Holmberg
Centers for Disease Control and Prevention
Mail Stop E45
Atlanta, GA 30333

Nancy S. Padian
Department of Obstetrics, Gynecology, and Reproductive Sciences
University of California, San Francisco
Box 0132
San Francisco, CA 94143

Biology

A symbiotic combination of roundworms and microbes may provide effective biological control for the deer ticks that spread Lyme disease.

Dolores Hill
U.S. Department of Agriculture
Agricultural Research Service
Parasite Biology and Epidemiology Laboratory
Beltsville, MD 20770

The expansive edge habitat that borders tropical rain forest may be an incubator of biological diversity.

Thomas B. Smith
Department of Biology
San Francisco State University
San Francisco, CA 94132

DNA analysis of the soil of Amazonian forests reveals a mother lode of diverse and novel bacteria.

James Borneman
Department of Agronomy
University of Wisconsin
Madison, WI 53706

Chemistry

Masking the surface of red blood cells may keep people with chronic blood disorders from becoming oversensitive to frequent transfusions.

Mark D. Scott
Division of Experimental Pathology, A-81
Albany Medical College
47 New Scotland Avenue
Albany, NY 12208
E-mail: mscottpath@aol.com

A technique combining test-tube chemical synthesis with the machinery of an enzyme provides an efficient means to create novel molecules that may be useful as antibiotics.

John R. Jacobsen
Department of Chemical Engineering
Stanford University
Stanford, CA 94305-5025
E-mail: jrj@leland.stanford.edu

Mathematics

The number pi has been computed to a record 51 billion decimal digits.

Jonathan Borwein
Centre for Experimental and Constructive Mathematics
Simon Fraser University
Burnaby, BC V5A 1S6
Canada
Website: http://www.cecm.sfu.ca/~jborwein

Yasumasa Kanada
Computer Centre
University of Tokyo
Bunkyo-ku Yayoi 2-11-16
Tokyo 113
Japan
E-mail: kanada@pi.cc.u-tokyo.ac.jp

The meandering blobs of a Lava lamp serve as the starting point for a computer to generate a string of random numbers.

Landon Curt Noll
Silicon Graphics, Inc.
2011 N. Shoreline Boulevard
Mountain View, CA 94043

Articles:

Galileo Explores the Galilean Moons

Tidal tugs sculpt Jovian satellites

Data gathered by the Galileo spacecraft is providing new evidence that the gravitational tug-of-war between Jupiter and its four large moons has had a profound influence on the evolution of these satellites.

Margaret G. Kivelson
Institute of Geophysics
University of California, Los Angeles
Los Angeles, CA 90024

Torrence V. Johnson
Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109

Renu Malhotra
Lunar and Planetary Institute
3600 Bay Area Boulevard
Houston, TX 77058

Robert T. Pappalardo
Department of Geological Sciences
Brown University
Providence, RI 02912

The Ties That Bond

Adult romantic and sexual styles may grow out of parent-child affiliations

The ways in which grown-ups play the mating game reflect psychological approaches to attachment that take root during infant-caregiver relationships.

Jay Belsky
Human Development and Family Studies
S110 Henderson Building
Pennsylvania State University
State College, PA 16802

David M. Buss
Department of Psychology
University of Texas
Austin, TX 78712

Stephanie A. Fishkin
Department of Communications, Arts and Sciences
University of Southern California
Los Angeles, CA 90089-0001

Cindy Hazan
Department of Human Development
Cornell University
MVR Hall
Ithaca, NY 14853-4401

Lee A. Kirkpatrick
Department of Psychology
College of William and Mary
P.O. Box 8795
Williamsburg, VA 23187-8795

Lynn C. Miller
Department of Communications Arts and Sciences
University of Southern California
Los Angeles, CA 90089-0001

Jeffry A. Simpson
Department of Psychology
Texas A&M University
College Station, TX 77843

Debra Zeifman Department of Human Development
Cornell University
MVR Hall
Ithaca, NY 14853-4401