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Selected Articles
Early Flowering Tree
Discovered
An ancient plant lineage rediscovered in Madagascar is expected to provide new insights into the evolution of flowering plants.
Sources:
Richard Keating
Missouri Botanical Garden
P.O.Box 299
St. Louis, MO 63166
George E. Shatz
Missouri Botanical Garden
P.O. Box 299
St. Louis, MO 63166
E-mail: shatz@mobot.org
Two research groups have independently identified a protein used by the intestines to grab needed iron out of food.
Sources:
Nancy C. Andrews
Howard Hughes Medical Institute
Children's Hospital
Boston, MA 02115
Matthias Hediger
Brigham and Women's Hospital
Harvard Medical School
77 Avenue Louis Pasteur
Boston, MA 02115
Whistling a superfluid
quantum melody
Helium-3 atoms can quantum mechanically shuttle back and forth between two reservoirs connected by an array of tiny apertures, demonstrating the superfluid analog of the Josephson effect in superconductors.
Sources:
Richard E. Packard
Physics Department
University of California
Berkeley, CA 94720
Is synergy of estrogen mimics an illusion?
The withdrawal of a much-touted, year-old scientific article describing extraordinary synergy between estrogenlike pollutants has catalyzed discussion of what constitutes synergy.
Sources:
Steven F. Arnold
Tulane-Xavier Center for Bioenvironmental Research
1430 Tulane Avenue
New Orleans, LA 70112
Judith Bergeron
Department of Zoology
Mail Code C0900
University of Texas
Austin, TX 78712
David Crews
Department of Zoology
Mail Code C0900
University of Texas
Austin, TX 78712
John A. McLachlan
Tulane-Xavier Center for Bioenvironmental Research
1430 Tulane Avenue
New Orleans, LA 70112
Stephen Safe
Department of Veterinary Physiology & Pharmacology
College Station, TX 77843-4466
Frederick vom Saal
University of Missouri-Columbia
114 Lefever Hall
Biology Division
Columbia, MO 65122
Preschoolers get grip on hidden emotions
Children between 3 and 5 years old can distinguish between real and feigned emotions, as well as the social rules guiding emotional expression.
Sources:
Mita Banerjee
Pitzer College
1050 North Mills Avenue
Claremont, CA 91711
Alan M. Leslie
Department of Psychology
Rutgers University
New Brunswick, NJ 07728
Odd companions create unusual environment
Oil and water both adhere to a specially treated titanium dioxide surface.
Sources:
Akira Fujishima
Faculty of Engineering
University of Tokyo
7-3-1 Hongo, Bunkyo-ku
Tokyo 113
Japan
Adam Heller
Department of Chemical Engineering
University of Texas
Austin, TX 78712
Toshiya Watanabe
TOTO, Ltd.
Motomura 2-8-1
Chigasaki 253
Japan
Fetal cells may trigger
autoimmune disease
Lingering fetal cells may cause a woman's immune cells to attack her tissue.
Sources:
Diana W. Bianchi
New England Medical Center
750 Washington Street
Boston, MA 02111
Craters and extinctions: Time of reckoning
A buried crater discovered last year in South Africa may explain extinctions at the end of the Jurassic period.
Sources:
Richard Bottomley
Canadian Union College
College Heights, Alberta T4L 2E5
Canada
Christian Koeberl
Institute of Geochemistry
University of Vienna
Althanstrauss 14
A-1090 Vienna
Austria
Research Notes:
Behavior
Factual brains, uneventful lives
Three people who suffered brain damage early in life yield evidence that different cerebral regions take responsibility for event memory and fact memory.
Sources:
Faraneh Vargha-Khadem
Cognitive Neuroscience Unit
Institute of Child Health
University College London Medical School
Wolfson Centre
Mecklenburgh Square
London WC1N 2AP
United Kingdom
Heading out of the hippocampus
Rat experiments suggest that, contrary to prior scientific assumptions, brain areas outside the hippocampus can direct some forms of spatial memory.
Sources:
Edward J. Golob
Department of Psychology
6207 Gerry Hall
Dartmouth College
Hanover, NH 03755
Jeffrey S. Taube
Department of Psychology
6207 Gerry Hall
Dartmouth College
Hanover, NH 03755
Earth Science
El Nino gathers steam in Pacific
The equatorial Pacific is warming rapidly in response to a strong El Nino.
Sources:
Chester Ropelewski
Climate Prediction Center
National Centers for Environmental Prediction
NOAA/National Weather Service
World Weather Building
Washington, D.C. 20233
Flying on sunlight
A pilotless solar-powered plane has soared to record-breaking heights.
Sources:
Jeffrey Bauer
NASA Dryden Flight Research Center
Edwards, CA 93523
Articles:
Spying Diseases from the Sky
Satellite data may predict where infectious microbes will strike
Scientists studying Lyme disease, cholera, and other infectious diseases are testing whether remote sensing data can be used to identify regions likely to be afflicted.
Sources:
Byron Wood
CHAART, MS 242-4
NASA Ames Research Center
Moffett Field, CA 94035-1000
Computers have conquered tic-tac-toe, checkers, and chess. What's next?
Researchers and software developers have used a variety of strategies to bring computer programs that play games, including chess, checkers, backgammon, bridge, Go, and Scrabble, to the expert level.
Sources:
Hans Berliner
Computer Science Department
Carnegie Mellon University
Pittsburgh, PA 15213
Matthew L. Ginsberg
Computational Intelligence Research Laboratory
University of Oregon
Eugene, OR 97403
Monty Newborn
School of Computer Science
McGill University
Montreal, Quebec
Canada H3A 2A7
Jonathan Schaeffer
Department of Computing Science
Edmonton, Alberta
Canada T6G 2H1
Brian Sheppard
60 Thoreau Street
No. 187
Concord, MA 01742-9116
E-mail: sheppardco@aol.com
Gerald Tesauro
IBM Thomas J. Watson Research Center
P.O. Box 704
Yorktown Heights, NY 10598
Table
of Contents - 8/2/97
