Sources:

Sources may not be available for all articles

Hormone Therapy: Issues of the Heart

The synthetic form of progesterone most commonly prescribed for postmenopausal hormone replacement therapy in the United States may erase the therapy's intended heart benefits.

Sources:

Peter Collins
National Heart and Lung Institute
Imperial College
Dove House Street
London SW3 6LY
United Kingdom

Kent Hermsmeyer
Oregon Regional Primate Research Center
505 N.W. 185th Avenue
Beaverton, OR 97006-3499
E-mail: rkh@compuserve.com

JoAnn E. Manson
Harvard Medical School
900 Commonwealth Avenue, E.
Boston, MA 02215

J. Koudy Williams
Department of Comparative Medicine
Bowman Gray School of Medicine
Medical Center Boulevard
Winston-Salem, NC 27157-1040

Bacteria give new meaning to 'computer bug'

A light-sensitive molecule made by a saltwater bacterium could form the basis of an optical computer.

Sources:

Robert R. Birge
Syracuse University
111 College Place
Syracuse, NY 13244-4100
E-mail: rbirge@syr.edu

Aaron Lewis
Division of Applied Physics and Center for Neural Computation
Hebrew University of Jerusalem
Jerusalem 91904
Israel
E-mail: lewisu@vms.huji.ac.il

Brain hues disclose depression clues

The level of neural activity in a specific part of the cortex seems to signal whether medication will lift a depressed person's mood.

Sources:

Lewis Baxter
University of Alabama
Room 1001, Sparks Research Building
1720 Seventh Avenue S.
Birmingham, AL 35294

Helen S. Mayberg
Research Imaging Center
University of Texas Health Science Center at San Antonio
7703 Floyd Curl Drive
San Antonio, TX 78284-6240

Dust sheds new light on planetary birth

Discovery of a dust disk orbiting two stars could double the estimate of planets in the galaxy.

Sources:

Paul Kalas
Max Planck Institute for Astronomy
Konigstuhl 17
D-69117
Heidelberg
Germany

Jack Lissauer
Space Science Division
NASA Ames Research Center
Moffett Field, CA 94035

Crashing debut of an exotic heavy particle?

Observation of an excess of high-energy positron-proton collisions in which a positron rebounds with an enormous amount of momentum suggests the existence of particles or forces outside of conventional theory.

Sources:

Malcolm Derrick
High Energy Physics Division
Argonne National Laboratory
Argonne, IL 60439-4803
Website: http://www.hep.anl.gov/zeus/home.html

David Miller
Department of Physics and Astronomy
University College London
Gower Street
London WC1E 6BT
United Kingdom

Two monkeys 'cloned' from embryo cells

A week after the announcement that a sheep had been cloned from adult cells, Oregon scientists performed a similar feat in monkeys using cells from embryos.

Sources:

James Parker
Oregon Regional Primate Research Center
Public Information Office
505 N.W. 185th Avenue
Beaverton, OR 97006-3499

Gene heats up obesity research

A newly discovered gene encodes a protein used by some cells to convert food calories to heat, an energy-consuming mechanism that some researchers speculate may be sluggish in obese people.

Sources:

Craig H. Warden
University of California, Davis
Rowe Program in Genetics
Davis, CA 95616

Breathing freely threatens seeing clearly

Inhaled steroids effectively relieve asthma, but prolonged, high-dose use markedly increases an elderly person's risk of glaucoma.

Sources:

Lea Davies
Department of Pediatrics
Georgetown University Medical Center
3800 Reservoir Road, N.W.
Washington, DC 20007

Samy Suissa
Division of Clinical Epidemiology
Royal Victoria Hospital
687 Pine Avenue, W.
Montreal, Quebec H3A 1A1
Canada

Winging it: An unusual approach to flight

The earliest flying vertebrate broke new biological ground when it constructed wings.

Sources:

Eberhad Frey
Staatliches Museum fur Naturkunde Karlsruhe
Erbprinzestrasse 13
D-76133 Karlsruhe
Germany

Hans-Dieter Sues
Department of Palaeobiology
Royal Ontario Museum
100 Queen's Park
Toronto, Ontario M5S 3G5
Canada

Research Notes:

Biochemistry:

Hardy synthetic patterned after nature

Chemists have built a tough synthetic protein based on clues provided by microorganisms thriving in near-boiling water on the ocean floor.

Sources:

Mike Adams
University of Georgia
Department of Chemistry
Athens, GA 30602-7411

Ramy Farid
Department of Chemistry
Olson Laboratory
Rutgers University
73 Warren Street
Newark, NJ 07102

Toying with a modular enzyme

Like Frankenstein's monster, a working enzyme can be constructed by stitching together parts.

Sources:

Stephen J. Benkovic
152 Davey Laboratory
Department of Chemistry
Pennsylvania State University
University Park, PA 16802-6300
E-mail: sjb1@psu.edu

Biology:

Cells can stop HIV once it gets inside

After they become infected, immune cells of some people may be able to prevent certain strains of the HIV virus from reproducing.

Sources:

Miles Cloyd
Department of Microbiology, Immunology, and Pathology
University of Texas Medical Branch
Galveston, TX 77555-1019

Aging gene linked to heart attacks

A version of a gene recently associated with the aging process may increase a person's heart attack risk.

Sources:

George Martin
University of Washington
Department of Pathology
Box 357470
Seattle, WA 98195

Astronomy:

Heralding Hale-Bopp

By March 20, Comet Hale-Bopp should become a naked-eye spectacle in the northwestern sky just after twilight.

Sources:

Michael A'Hearn
Department of Astronomy
University of Maryland
College Park, MD 20742-2421

Earth Science:

Earth's pole is a pushover for quakes

Earthquakes are nudging the North Pole toward Tokyo.

Sources:

Giorgio Spada
Dipartimento di Fisica
Settore Geofisica
Universita di Bologna
Viale B Pichat 8
40127 Bologna
Italy
E-mail: giorgio@gea.df.unibo.it

Pacific puts the brake on warming

Cooling of the eastern tropical Pacific has delayed global warming.

Sources:

Mark Cane
Lamont-Doherty Earth Observatory
Columbia University
Palisades, NY 10964-8000

Articles:

Vaulting the Language Barrier

Computers are helping to search texts and data now shrouded in linguistic differences

With a little help, computers can retrieve foreign texts or data and display it in another's mother tongue.

Sources:

Gerold G. Belonogov
VINITI--All Russian Institute for Scientific and Technical Information
20a Usievich Street
Moscow 125219
Russia

Nathan Birman
Access Russia
1000 Washington Avenue, Suite #C
Albany, CA 94796
Website: http://www.arussia.com

Marjorie Hlava
Access Innovations
4314 Mesa Grande Place, S.E.
Albuquerque, NM 87108
E-mail: margaretm@accessinn.com

Boris Kuznetsov
VINITI--All Russian Institute for Scientific and Technical Information
20a Usievich Street
Moscow 125219
Russia

Richard S. Marcus
Massachusetts Institute of Technology
Laboratory for Information and Decision Systems
Room 35-414
Cambridge, MA 02139
E-mail: marcus@lids.mit.edu

Douglas W. Oard
Electrical Engineering Department
University of Maryland
College Park, MD 20742
E-mail: oard@umiacs.umd.edu

A. Steven Pollitt
Department of Telematics
Centre for Database Access Research
School of Computing and Mathematics
University of Huddersfield
Queensgate, Huddersfield HD1 3DH
United Kingdom
E-mail: a.s.pollitt@hud.ac.uk
Website: http://www.hud.ac.uk/schools/cedar

Chips Ahoy!

Scientists are putting postage-stamp-size DNA chips to an incredible variety of uses, including the detection of genetic mutations, the diagnosis of infectious disease, and the monitoring of activity inside cells.

Sources:

Stephen P.A. Fodor
Affymetrix
3380 Central Expressway
Santa Clara, CA 95051

Leroy Hood
Department of Molecular Biotechnology
University of Washington
1705 N.E. Pacific
Seattle, WA 98195-7730

Tina Berger Nova
Nanogen
10398 Pacific Center Court
San Diego, CA 92121

Table of Contents - 3/8/97

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