July 9, 2001
For more information on these science news and feature
story tips, please contact the public information
officer at the end of each item at (703) 292-8070.
Editor: Peter West
Contents of this News Tip:
The emergence of English and Spanish as the dominant
languages of global commerce is causing many other
tongues to fall into disuse. This trend alarms social
scientists worldwide because linguistic research not
only provides cultural information, but also insight
into the diverse capabilities of the human mind.
To combat the decrease in the number and diversity
of languages and to capitalize on a growing store
of digitized linguistic data, a team of National Science
Foundation (NSF)-funded researchers led by Anthony
Aristar at Wayne State University is developing an
endangered languages database and a central information
server that will allow users to access the material
remotely by computer. A $2 million NSF grant to Aristar
and his colleagues at Eastern Michigan University,
the University of Pennsylvania and the University
of Arizona will be used to create this public digital
archive.
The goals of the Electronic Metastructure for Endangered
Languages Data (E-MELD) project are to collect data
on endangered languages and to devise a Web-based
protocol so that new and existing data will be accessible
to researchers and native speakers everywhere. The
researchers on the E-MELD project will start with
10 distinct endangered languages to design a system
that will be versatile, useful and extensible. E-MELD
is modeled on the Internet, where standard communications
protocols allow users to access information housed
on a variety of very different operating systems,
including UNIX, Windows-NT, and VMS. [Dave Vannier]
The first version of E-MELD is expected to appear online
this fall at: http://www.linguistlist.org.
(For more history on efforts to save endangered languages,
contact Mary Hanson,
703-292-8070)
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Michigan Facility
Could Reveal Stars' Secrets
Scientists could uncover secrets about the stuff of
which stars are made using an upgraded experimental
facility at the National Superconducting CyclotronLaboratory
at Michigan State University in East Lansing. With
NSF funding, scientists combined the beams of two
heavy ion accelerators, each a superconducting cyclotron.
The higher beam intensities will enable complete experiments
to take place in days rather than years.
Physicists worldwide will use the upgraded facility
to study the properties of short-lived atomic nuclei
that do not exist naturally on Earth, and to produce
nuclear interactions that simulate conditions in the
interiors of stars. Inside the cyclotrons, beams of
atomic nuclei are accelerated toward a production
target. The collisions between nuclei in the beam
and in the production target create a beam of these
rare isotopes, which can reveal more about the structure
of atomic nuclei and their role in the production
of energy and heavy elements within stars.
The experiments could provide clues to stellar explosions
such as supernovae, believed to be a key source of
heavy elements. The nuclear interactions can result
in the creation of unstable isotopes that exist for
only a fraction of a second -- just long enough to
be studied in the Michigan lab. The new facility's
first experiment studied the properties of the isotope
33-aluminum, which is 22 percent heavier than normal
aluminum and exists for less than one-tenth of a second.
[Amber Jones]
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NSF Funds Study
of Recent Immigrants' Children
Immigration accounts for one-third of the U.S. population’s
growth, yet reliable information about the immigrants
themselves is lacking. A $2.2 million NSF grant to
researchers at the RAND Corp., the University of Pennsylvania
and New York University is designed to correct this
information deficit as researchers conduct the first-ever
comprehensive survey of children of immigrants newly
admitted to permanent residence in the United States.
The study is part of the $18.8 million New Immigrant
Survey (NIS), which is funded also by the National
Institutes of Health, the Assistant Secretary of Planning
and Evaluation at the Department of Health and Human
Services, and the Immigration and Naturalization Service.
The survey sample will include more than 11,000 immigrants
in a series of interviews over five years. The NSF-funded
portion will measure the scholastic achievement and
aptitude of both immigrant children and those born
in the U.S. to immigrant parents. The data will be
made available to researchers and the public.
The feasibility of the survey was confirmed four years
ago in a pilot study of 1,800 immigrants. That survey
found that legal immigrants are more educated as a
group than native-born U.S. citizens and that the
major mechanism by which illegals acquire an immigrant
visa is marriage to a U.S. citizen. The full-scale,
nationwide survey is slated to begin this fall. [Dave
Vannier]
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