April 1997 Archives
30 April 1997
|
ScienceNOW(Science - AAAS)
Activists Seek to Block Nuke Programs
WASHINGTON, D.C.--The Natural Resources Defense Council (NRDC) and 38 other environmental and activist groups today announced plans to file a lawsuit in the U.S. District Court here tomorrow to halt...
30 April 1997
|
ScienceNOW(Science - AAAS)
Red Algae Revise Early Life History
The family tree of life may have just grown another branch. Red algae, mostly tropical seaweeds, look different from green algae and plants, but biologists believed that the appearance was...
30 April 1997
|
ScienceNOW(Science - AAAS)
Gene Linked to Autism
Scientists have identified the first gene that may contribute to autism, a type of mental retardation long thought to run in families. The finding, described in next month's issue of...
30 April 1997
|
ScienceNOW(Science - AAAS)
Lizard Castaways Adapt to Survive
Doomed to die on unfamiliar islands, small populations of lizards have defied the experts and adapted to their new homes by undergoing the kind of body changes that could in...
29 April 1997
|
ScienceNOW(Science - AAAS)
Early Planet Theory: Not Standing on Solid Ground
Forest Ray Moulton, an American astronomer known for a dominant early theory on how planets form, was born on this day in 1872. Moulton and Thomas Chrowder Chamberlin proposed in...
29 April 1997
|
ScienceNOW(Science - AAAS)
Gene for Extreme Shortness?
Some baby girls with Turner's syndrome beat the odds. All male fetuses missing the X chromosome--the syndrome's underlying cause--are spontaneously aborted, as are 97% of female fetuses, which have a...
29 April 1997
|
ScienceNOW(Science - AAAS)
Insulin's Alter Ego
What makes a fat cell fat? Overeating, of course, is one reason these cells pack away fat molecules. Now scientists have found that a protein called leptin, known to suppress...
29 April 1997
|
ScienceNOW(Science - AAAS)
AIDS Vaccine Protects Chimps
A vaccine consisting of genes from HIV, the AIDS virus, has suppressed infection in two chimpanzees injected with the virus itself. But experts caution that the vaccine, described in next...
28 April 1997
|
ScienceNOW(Science - AAAS)
Bird Watcher's Birthday
Naturalist John James Audubon, renowned for his intricate paintings of North American birds, was born on 26 April 1785 in what is now Haiti. Audubon grew up in France and...
28 April 1997
|
ScienceNOW(Science - AAAS)
DNA Fingerprinting Traces Roots of Fine Wine
Wine aficionados sampling a Cabernet Sauvignon may be able to sniff out the vineyard that made it and the year it was bottled, but they can't pierce the hazy origins...
28 April 1997
|
ScienceNOW(Science - AAAS)
Fountain of Annihilation
WILLIAMSBURG, VIRGINIA--Scientists have discovered what appears to be a plume of antiparticles gushing from the center of our galaxy. The finding, announced here today at the Fourth Compton Symposium on...
28 April 1997
|
ScienceNOW(Science - AAAS)
Alzheimer's Susceptibility Gene?
Most patients with Alzheimer's disease seem to have inherited high levels of a mutant enzyme. The finding, reported in tomorrow's issue of the Proceedings of the National Academy of Sciences,...
25 April 1997
|
ScienceNOW(Science - AAAS)
Seeing the Baryonic Forest for the Trees
Astronomers lost in an impenetrable forest may have finally found a way out. Two astrophysicists appear to have cleared up the puzzling distribution of matter that blocks certain wavelengths of...
25 April 1997
|
ScienceNOW(Science - AAAS)
U.S. and China Team Up on Dino Fossils
Chinese paleontologists and their Western colleagues have launched a joint exploration of a stunning new trove of dinosaur and bird fossils in northeast China. Under a $1 million agreement, announced...
25 April 1997
|
ScienceNOW(Science - AAAS)
Top French AIDS Scientist Goes American
PARIS--Luc Montagnier, whose group here at the Pasteur Institute first isolated the AIDS virus in 1983, is teaming up with an American businessman to create a new research institute in...
25 April 1997
|
ScienceNOW(Science - AAAS)
Lifeless Evolution
If there is one theme uniting life-forms from the lowliest virus to the loftiest primate, it's that they all evolve. Now some lifeless strands of RNA are doing the same...
24 April 1997
|
ScienceNOW(Science - AAAS)
Tugging on the Cell's Tangled Web
Scientists have found that mammalian cells are densely "hard-wired" with force-carrying connections that reach all the way from the membrane through the cytoskeleton to the genome. The findings, reported in...
24 April 1997
|
ScienceNOW(Science - AAAS)
Silent Lips: Music to the Mind's Ear
Anyone who has struggled to converse at a noisy party knows that eye contact aids listening. But scientists have been in the dark about exactly how facial movements help the...
24 April 1997
|
ScienceNOW(Science - AAAS)
Defending the Urinary Tract
Scientists have developed a genetically engineered vaccine that prevents urinary tract infections (UTIs) in mice. The findings, reported in tomorrow's issue of Science,* hold out the hope of diminishing a...
23 April 1997
|
ScienceNOW(Science - AAAS)
Hazards of a Roach Diet
Johannes Fibiger, a Danish pathologist and bacteriologist who improved public health and revitalized cancer research, was born on this day in 1867. Early in his career, Fibiger discovered that there...
23 April 1997
|
ScienceNOW(Science - AAAS)
Mutant Gene Builds Better Blossoms
April showers bring May flowers. With a little genetic engineering, they could soon last until June. By transplanting a mutant gene into a petunia, researchers have created a flower that...
23 April 1997
|
ScienceNOW(Science - AAAS)
Alzheimer's Braked by Vitamin E
High daily doses of vitamin E seem to help people with Alzheimer's live on their own for about 7 months longer than untreated patients, scientists have found. Another drug, currently...
23 April 1997
|
ScienceNOW(Science - AAAS)
BRCA2 Mutations May Throw Wrench in DNA Repair
Women who have mutations in either of two genes, BRCA1 and BRCA2, have a dramatically increased risk of breast cancer. But researchers have had a hard time figuring out what...
22 April 1997
|
ScienceNOW(Science - AAAS)
NASA Drops Hot Potato
WASHINGTON, D.C.--NASA announced today that it will abandon Bion, a controversial life sciences project undertaken with Russia and France to test the effects of weightlessness on monkeys in space. Faced...
22 April 1997
|
ScienceNOW(Science - AAAS)
Panel Deflates Grand Fusion Experiment
WASHINGTON, D.C.--Scientists have thrown more cold water on a multibillion-dollar fusion project before it even attempts to ignite. A panel of U.S. physicists and engineers has raised the odds of...
22 April 1997
|
ScienceNOW(Science - AAAS)
Europe Considers Putting Two Missions on One Rocket
PARIS--The European Space Agency (ESA) has come up with an innovative strategy to ease the money problems plaguing its space science program: It plans to combine two astronomy missions by...
22 April 1997
|
ScienceNOW(Science - AAAS)
Merck's Knockout Deal on Research Mice
For some scientists, a new bank may prove more popular than their local credit union. The Merck Genome Research Institute has unveiled a plan to give Lexicon Genetics Inc.--a biotech...
22 April 1997
|
ScienceNOW(Science - AAAS)
New Intrigue Surrounds Gamma-Ray Source
The long-running mystery of gamma-ray bursts (GRBs)--flashes from somewhere in space that periodically set detectors screaming--has taken another dizzying twist. After astronomers thought they had tracked a recent burst to...
22 April 1997
|
ScienceNOW(Science - AAAS)
Group Brands AIDS Trials Unethical
WASHINGTON, D.C.--Fifteen AIDS-therapy trials planned or under way in developing countries violate international and national ethics guidelines, charged Ralph Nader's Public Citizen organization in a press conference here today. But...
21 April 1997
|
ScienceNOW(Science - AAAS)
Timothy Leary's Last Trip
Harvard pop psychology guru Timothy Leary has transcended his body one last time. The cremated remains of the LSD aficionado, along with those of Star Trek creator Gene Roddenberry and...
21 April 1997
|
ScienceNOW(Science - AAAS)
An Agent Orange-Diabetes Connection?
Veterans exposed heavily to the defoliant Agent Orange during the Vietnam War appear to suffer from a higher rate of diabetes than nonexposed veterans. The findings, reported in next month's...
21 April 1997
|
ScienceNOW(Science - AAAS)
Supernova in a Jar
WASHINGTON, D.C.--Scientists have triggered a miniature explosion that may resemble a tiny supernova by enticing a newly created form of matter, called Bose-Einstein condensate, to collapse in the lab. The...
21 April 1997
|
ScienceNOW(Science - AAAS)
Journals Joust Over Financial Ties
Pulling no punches, three top medical journals have squared off over whether and how to disclose conflicts of interest that may color research findings. The dispute pits Boston's venerable New...
21 April 1997
|
ScienceNOW(Science - AAAS)
Twisted Universe Theory Falls Flat
Interesting--but probably wrong. That sums up the reaction of most physicists and radio astronomers to an extraordinary claim appearing in today's Physical Review Letters that space itself might have a...
18 April 1997
|
ScienceNOW(Science - AAAS)
NASA Told to Keep On Stargazing
WASHINGTON, D.C.--A blue-ribbon panel has urged NASA to follow up quickly on recent stunning astronomy successes, from the mapping of the cosmic microwave background to the discovery of new planets....
18 April 1997
|
ScienceNOW(Science - AAAS)
HIV Protein Reconnaissance
To mount a successful attack, it sometimes helps to get a detailed look at the target. Now AIDS researchers have a fine-grained picture of a potential quarry: an HIV coat...
18 April 1997
|
ScienceNOW(Science - AAAS)
Gene for Rare Tumors Bagged
Scientists have identified the gene responsible for a rare form of endocrine tumor. The discovery, reported in today's issue of Science,* should lead to a genetic test for multiple endocrine...
18 April 1997
|
ScienceNOW(Science - AAAS)
Galactic Flare Sets a Record
WASHINGTON, D.C.--An hours-long pulse of gamma rays from a distant galaxy is the most powerful ever seen from a celestial source, astronomers said here today at a meeting of the...
17 April 1997
|
ScienceNOW(Science - AAAS)
Vaccine Against Baby Killer Scores in Tests
SAN FRANCISCO--A therapeutic vaccine against severe rotaviral diarrhea, which kills nearly 900,000 infants worldwide each year, has succeeded in clinical trials. The vaccine works best "to alleviate the outcome of...
17 April 1997
|
ScienceNOW(Science - AAAS)
Seattle Researchers Claim They Were Pressured
Five scientists have accused some special interests, including companies and medical lobby groups, of trying to disrupt the flow of public health data for commercial or ideological ends. The critique,...
Recent Articles
)
)
)
)
)
)
)
Categories
- Africa (14)
- Anatomy, Morphology, Biomechanics (340)
- Anthropology (106)
- Applied Physics (103)
- Asia/Pacific (181)
- Astronomy (1426)
- Atmospheric Science (258)
- Biochemistry (134)
- Botany (259)
- Cell Biology (444)
- Chemistry (385)
- Computers, Mathematics (293)
- Development (155)
- Earth Science (51)
- Ecology (1497)
- Economics (42)
- Education (6)
- Engineering (190)
- Entomology (131)
- Environment, Climate (105)
- Epidemiology (174)
- Europe (32)
- Evolution (602)
- Genetics (1293)
- Geochemistry, Geophysics (402)
- History and Philosophy of Science (40)
- Immunology (214)
- Latin America (15)
- Materials Science (184)
- Medicine (1467)
- Microbiology (317)
- Molecular Biology (230)
- Neuroscience (912)
- Oceanography (365)
- Paleontology (541)
- Pharmacology, Toxicology (139)
- Physics (243)
- Physiology (110)
- Planetary Science (487)
- Podcast (49)
- Psychology (379)
- Science and Business (43)
- Science Policy (821)
- Scientific Community (938)
- Sociology (154)
- Stem Cell Ban (1)
- Virology (235)
- Website Review (2)
- Zoology (477)
Questions or feedback on this page?
Let us know.
News | Science Journals | Careers | Blogs and Communities | Multimedia | Collections | Help | Site Map | RSS
Subscribe | Feedback | Privacy Policy | About Us | Advertise With Us | Contact Us
© 2010 American Association for the Advancement of Science. All Rights Reserved.
AAAS is a partner of HINARI, AGORA, OARE, PatientInform, CrossRef, and COUNTER.