May 1997 Archives
30 May 1997
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ScienceNOW(Science - AAAS)
A Critical Eye
Tomorrow is the 230th anniversary of the birth of Cagniard de Latour, a French experimental physicist who discovered the concept of a critical state. Latour conducted a number of ingenious...
30 May 1997
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ScienceNOW(Science - AAAS)
Human Chromosome Transferred to Mice
Japanese researchers have transplanted an entire human chromosome into a mouse, and its genes appear to be functioning normally in their new host. This dramatic development, which surprised even the...
30 May 1997
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ScienceNOW(Science - AAAS)
Yeast Protein Supports Prion Theory
Researchers may have learned how a yeast protein usurps the usual role of DNA: transmitting a trait from one generation to the next. A few molecules of the protein, they...
30 May 1997
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ScienceNOW(Science - AAAS)
New Map Reveals Distant Star's Magnetic Fields
Astronomers have enlisted a continent-wide array of radio telescopes to map the magnetic field of a bloated red giant star. This first magnetic map of another star, to be published...
29 May 1997
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ScienceNOW(Science - AAAS)
Germany May Reverse Genome Sequence Data Policy
Following a meeting in Bonn this week, German science officials appear likely to defuse a dispute enveloping the country's new genome research program. According to Knut Bauer of the research...
29 May 1997
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ScienceNOW(Science - AAAS)
More Trouble for First Extrasolar Planet
A team of California astronomers has come up with new evidence disputing the existence of the first planetlike object found around a star like our sun. The putative planet, detected...
29 May 1997
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ScienceNOW(Science - AAAS)
Face to Face With the Oldest Europeans
Spanish researchers have discovered 800,000-year-old fossils which they believe are a new species of early humans directly ancestral to us. If true, the find could force paleontologists to rewrite the...
28 May 1997
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ScienceNOW(Science - AAAS)
Breast Implants Associated With Other Risk Factors
As a group, women who receive breast implants for cosmetic purposes have numerous demographic, lifestyle, and reproductive differences from women in general, according to a study in today's issue of...
28 May 1997
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ScienceNOW(Science - AAAS)
A New Mouse Model for Alzheimer's
Scientists have genetically engineered a new strain of mice that may be a model of the early stages of Alzheimer's disease. Even before the brains of human patients develop a...
28 May 1997
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ScienceNOW(Science - AAAS)
Heavenly Showers Rain on Earth
BALTIMORE, MARYLAND--Space physicists here at the spring meeting of the American Geophysical Union conceded today that Earth's high atmosphere contains numerous splotches of water. But a sharp disagreement persists over...
28 May 1997
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ScienceNOW(Science - AAAS)
A Gloomy Assessment of the War on Cancer
Years of intense research to develop breakthrough cancer treatments have largely failed to make a dent in cancer death rates in the United States, according to a new report. The...
27 May 1997
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ScienceNOW(Science - AAAS)
The Father of Taxonomy
Today is the 290th anniversary of the birth of Carolus Linnaeus, the Swedish botanical taxonomist who was the first person to formulate and adhere to a uniform system for defining...
27 May 1997
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ScienceNOW(Science - AAAS)
U.K. Revamps University Research Grants
Britain's Medical Research Council (MRC) is planning major changes in the way it funds projects in universities, pushing researchers to forge collaborations or else see their funds dry up. The...
27 May 1997
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ScienceNOW(Science - AAAS)
The Double Helix Doubles Up
So familiar is the double-stranded structure of DNA that biologists often refer to the molecule simply as the double helix. But a paper in this week's Proceedings of the National...
27 May 1997
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ScienceNOW(Science - AAAS)
Carbon Clouds Greenhouse-Warming Picture
Researchers have long thought that pollution high in the atmosphere may be putting the brakes on global warming by reflecting sunlight back into space. But new measurements presented this week...
23 May 1997
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ScienceNOW(Science - AAAS)
Attention Disorder Tied to Genes
A new study of twins suggests that attention-deficit hyperactivity disorder (ADHD) is strongly linked to genes, and that it is less a clear-cut disorder than an extreme form of a...
23 May 1997
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ScienceNOW(Science - AAAS)
New Way to Hit the Pacific Hot Spots
The blue waters of the Pacific hide a profusion of submerged mountains, the residue of more than 10,000 undersea volcanoes. Geophysicists have long thought that these are the products of...
23 May 1997
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ScienceNOW(Science - AAAS)
Corrective Genes Shut Off Autoimmunity
Researchers at Stanford University in Palo Alto, California, have used a type of gene therapy to treat mice with a disease that mimics multiple sclerosis (MS). The treatment, which delayed...
23 May 1997
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ScienceNOW(Science - AAAS)
Brain Detects Novelty Even Without You Knowing
When you see something unexpected, your brain kicks into high gear--even when you're not consciously aware of the novelty. That surprising conclusion, from a study reported in today's issue of...
22 May 1997
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ScienceNOW(Science - AAAS)
Spotlighted Minorities' Cancer
Today is the 67th birthday of LaSalle Leffall Jr., an American oncologist who has brought attention to the problem of high cancer death rates among minorities, particularly African Americans. Leffall...
22 May 1997
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ScienceNOW(Science - AAAS)
New Brakes for Nerve Growth
Scientists have found that proteins that stimulate the growth and survival of nerve cells as they build the brain do more than just that. A report, published tomorrow in the...
22 May 1997
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ScienceNOW(Science - AAAS)
For Sale: A Piece of Human History
The Internet has been a boon to science, but paleoanthropologists surfing the Web last week got an unpleasant surprise: A site called Fossilnet is advertising 20,000-year-old human skulls and even...
22 May 1997
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ScienceNOW(Science - AAAS)
New Clues to Why We Snooze
By monitoring the brains of napping and active cats, scientists have pinpointed a natural brain chemical that brings on a deep slumber after prolonged wakefulness. The findings, reported in tomorrow's...
21 May 1997
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ScienceNOW(Science - AAAS)
NSF Funds Faster Connections
For scientists trying to share vast amounts of electronic data, traffic on the Internet can slow to an agonizing crawl. But the pace will pick up soon for 35 research...
21 May 1997
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ScienceNOW(Science - AAAS)
Higher Resolution Human Genome Map Finished
Genome researchers have put together the most complete map of the human genome yet. In this month's issue of Genome Research, Elizabeth Stewart and her colleagues at Stanford University present...
21 May 1997
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ScienceNOW(Science - AAAS)
Sexism Reported in Swedish Peer Review
An analysis of medical research grant applications in Sweden suggests that the peer-review process is not immune to sexism. After a court battle to gain access to reviewers' evaluations, two...
20 May 1997
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ScienceNOW(Science - AAAS)
Howard Hughes Network Expands by a Big Leap
The rising stock market will be floating more biomedical research. With its endowment soaring, the Howard Hughes Medical Institute (HHMI) of Chevy Chase, Maryland, is expanding its support for scientists...
20 May 1997
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ScienceNOW(Science - AAAS)
Cool Fix for Hubble Infrared Camera?
Astronomers' spirits sagged earlier this year when the Hubble Space Telescope's new infrared camera sprang a coolant leak, potentially cutting in half the instrument's planned 4-year lifetime. But now NASA...
20 May 1997
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ScienceNOW(Science - AAAS)
Added Weight Raises Stroke Risk for Women
Women who are obese or who gain significant amounts of weight as adults have a higher risk of the most common kind of stroke, according to a study in tomorrow's...
19 May 1997
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ScienceNOW(Science - AAAS)
An Original Green Thumb
Yesterday would have been the 94th birthday of Frits Went, a Dutch-born American botanist who discovered the role of the plant hormone auxin and paved the way for the development...
19 May 1997
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ScienceNOW(Science - AAAS)
Geneticists Urged to Share Data
Worried that business secrecy may undermine scientific cooperation, an international group of geneticists last week appealed for a change of European patent policies to encourage scientists to release sequence data...
19 May 1997
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ScienceNOW(Science - AAAS)
Electrons Surfing on Silicon
Light is a great way to transmit information, but its speedy photons are difficult to slow down when signals must be delayed, for example, to be stored for brief times...
19 May 1997
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ScienceNOW(Science - AAAS)
NASA Joins Japan in Exploring Asteroid
TOKYO--A Japanese mission to sample a small asteroid got a boost last week when NASA announced it would contribute a robotic rover and ground support. The spacecraft, scheduled for launch...
16 May 1997
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ScienceNOW(Science - AAAS)
A-Bomb Architect Calls for Weapons Freeze
A theoretical physicist who helped lead the U.S. effort to develop the atom bomb has launched an appeal for an end to all federal funding for new nuclear weapons. In...
16 May 1997
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ScienceNOW(Science - AAAS)
Doubt Cast on Leptoquarks
When the possible existence of an exotic new particle called a leptoquark was announced earlier this year by researchers in Germany, other physicists rushed to try and corroborate their results....
16 May 1997
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ScienceNOW(Science - AAAS)
Southern Terror
The skull of what may be the biggest meat-eating dinosaur ever found confirms that the southern continents were once a single huge stomping ground for dinosaurs. The skull, reconstructed from...
16 May 1997
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ScienceNOW(Science - AAAS)
President Wants AIDS Vaccine in a Decade
In a speech on Sunday in Baltimore, President Clinton is expected to ask researchers to develop an AIDS vaccine within 10 years. White House officials today were still debating details...
15 May 1997
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ScienceNOW(Science - AAAS)
Building Blocks From the Primordial Soup
Forty-four years ago today, American chemist Stanley Miller gave a jolt to the debate on the origins of life with the publication in Science of his famous paper, "A Production...
15 May 1997
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ScienceNOW(Science - AAAS)
Chicken Virus Hits Antarctica
A highly contagious poultry virus has infected penguins in Antarctica. It is the first known transmission of a "foreign" disease to wildlife on the icy continent. Although none of the...
15 May 1997
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ScienceNOW(Science - AAAS)
Russians Still in Station Program, But Launches Delayed
Funding problems in Russia have led to an 8-month delay in the planned launch of the first pieces of the international space station. The initial launch will now occur in...
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