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India
among top 13 countries in scientific
papers
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India
is among the top 13 countries in terms
of published scientific research papers,
according to a recent study by the
Science Watch team of Thomson ISI.Thomson
Scientific, also known as Thomson
ISI, is a global leader in providing
access to high-value, essential information
for researchers and scholars worldwide
for over 45 years. 'India published
211,063 papers as against 422,993
by China (more than twice the number
of papers as India's). India had 694
papers in the most cited 1 percent
of papers whereas China had 2,189
papers in this category (more than
three times the number of such papers
from India),' said Subbiah Arunachalam,
a long-term campaigner for enhancing
the impact of Indian research. Only
0.33 percent of Indian papers could
get into the one percent of most cited
papers, whereas for China and South
Korea the figure was 0.52 percent,
noted Arunachalam. 'Apart from encouraging
our scientists to do better quality
work and providing them better facilities
and a conducive environment, it is
necessary to increase the visibility
of Indian research publications, for
example through placing our papers
in institutional repositories or publishing
them in open access journals,' he
argued.
In
terms of total papers in all fields
from 1996 to 2006, India ranked 11th,
ahead of South Korea and Taiwan. Its
share was under one-tenth of the US,
the leader which had almost three
million papers published in this period.
KnowledgeLink Newsletter of June 2007
noted that the May/June issue of Science
Watch ranks 13 countries based on
published scientific papers that reach
the top one percent of most cited
papers worldwide from 1996 to 2006.
The US has produced more than 2.9
million scientific papers over this
period, and took the lead in both
the total papers among the top one
percent and the percentage of total
papers among the top one percent.
Science Watch, a subscription newsletter,
uses citation data from Thomson Scientific
to provide rankings, interviews and
reports on what it calls 'today's
most significant science'. In its
study, 13 countries are ranked based
on both the volume and percentage
of published scientific papers - in
journals listed in Thomson Scientific's
Web of Science - that reached the
top one percent of most-cited papers
worldwide. 'This survey takes a different
approach when ranking elite papers
both overall and in specialty fields,'
Chris King, editor of Science Watch,
was quoted as saying. 'We examined
these papers on a global scale and
identified which nations are leading
scientific thought across all concentrations.
Considering the sheer volume of papers
published by the US, it is no surprise
to see it top the rankings of total
number of papers among the top one
percent,' said King. He also suggested
that the US leading the rankings in
percentage of papers among the top
one percent 'demonstrates its tremendous
influence on modern scientific thought'.
Japan ranked second with 790,510 published
papers, or roughly a third of the
US output. Britain also had a profound
influence by placing second highest
in both total number of papers, and
percentage of papers among the top
one percent by having published 660,808
papers. Thomson Scientific says: 'Our
goal is to increase the impact of
research by empowering researchers
with the information they need to
accelerate discovery.'
Courtesy:
www.indiaenews.com, June 29, 2007
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Indian-Australian
scientist bags top invention prize
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An
Indian-Australian scientist has been
awarded the prestigious top invention
prize for 2006 for his work on stem
cell research. Kuldip Sidhu, an associate
professor at the University of New
South Wales, was acknowledged for
the work on the derivation of a new
human embryonic stem cell line, Endeavour-1,
and the cloning technique, according
to a statement released by the University.
Both innovations are now protected
by international patents, it said.
'We will endeavour to take these IPs
to the next level -- commercialisation
-- with the primary aim of better
care for patients,' Sidhu said in
the statement. The prize is awarded
by BioMed North Limited, a not-for-profit
agency for the management and commercialisation
of intellectual property generated
within the state of New South Wales.
Sidhu has produced a human embryonic
stem cell line without the use of
any animal product. The breakthrough
eliminates the risk of animal-to-human
contamination in potential stem cell
therapy treatments. "These lines could
eventually lead to safer treatments
for conditions such as diabetes, Parkinson's
disease, spinal cord injury and even
breast cancer," Sidhu claimed. "This
cloning of cells involves a new technique,
which is a very accurate way of extracting
and then growing a single cell," Sidhu,
who is leading the research and is
based at the Diabetes Transplant Unit
at the Prince of Wales Hospital, said.
Hailing from Moga in Ferozepur district
of Punjab, Sidhu completed his doctorate
from Punjab Agricultural University
in Ludhiana and did his post-doctoral
work in reproductive physiology at
Washington University.
Courtesy:
www.sify.com, June 29, 2007
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BSF
going hi-tech to curb terrorist influx
from Bangladesh
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The
Border Security Force (BSF) is equipping
itself with hi-tech electronic gadgets
to strengthen ground-level security
along India's eastern border to tackle
increasing influx from Bangladesh,
including of suspected militants.
"Since the focus of terrorist outfits'
infiltration has shifted from the
western borders and Jammu and Kashmir
to this part of the country (India-Bangladesh
border in West Bengal), we have decided
to electrify the entire 1,145 km-long
fencing of the South Bengal Frontier
(SBF) in the east," BSF Inspector
General (SBF) Somesh Goyal told IANS.
He said the proposal has received
the go-ahead from the higher authorities
and "we are now waiting for the funds
to come from the union home ministry."
On Saturday, Foreign Secretary Shivshankar
Menon held a meeting with West Bengal
Chief Minister Buddhadeb Bhattacharya
ahead of his trip to Dhaka where he
is likely to discuss the issue of
terrorism. India shares a 4,095 km-long
border with Bangladesh, including
the longest 2,216 km with West Bengal,
part of which is porous, riverine
and unfenced and prone to frequent
infiltration and skirmishes.
Earlier,
the BSF conducted a pilot project
by electrifying a one-km stretch of
border fence in the Krishnanagar area
in West Bengal. The electrification
continued in that particular stretch
for one month and it was a big success
in preventing illegal migration from
across the border in that area. BSF
sources said they had put forward
a proposal for acquiring the hand-held
thermal imager - an advanced imaging
device used for low light surveillance
and security - which they say would
help in monitoring large areas in
south Bengal through a centralised
system even at night. The proposal
was made quite a while ago and has
yet to be sanctioned. Goyal said that
there would be one extra BSF battalion
along the South Bengal Frontier (earlier
there were 17 battalions) to monitor
the present security situation on
the eastern border. The eastern border
zone of BSF comprises West Bengal,
Assam, Tripura, Manipur and Meghalaya.
On the seriousness of cross-border
terrorism, Goyal said home ministry
reports pointed out that Bangladesh-based
Harkat-ul-Jihad-al-Islami (HuJI) -
linked to Pakistan-based terrorist
outfits Lashkar-e-Taiba and Jaish-e-Mohammed
- was recruiting Indian youths from
the poverty-stricken border districts
and sending them to Pakistan for training.
They are then being re-inducted in
Bangladesh to carry out terrorist
attacks against India. "As a security
analyst I can say that it is much
easier to carry out or plan terrorist
activities in this part of India since
the presence of Bangladeshi nationals
is very strong in West Bengal. Here
they also get two major railheads
- the Howrah and Sealdah railway stations
- to go to any part of the country,"
he said. Pakistan's Inter Services
Intelligence (ISI) has spread its
influence in Bangladesh due to the
presence of several Islamic fundamentalist
groups. In May, Minister of State
for Home Affairs Sriprakash Jaiswal
told the Lok Sabha that the central
government has taken appropriate measures
to strengthen the border management
system by installing electronic surveillance
equipment and establishing more border
outposts and has coordinated intelligence
work by the lead intelligence agencies.
In his report he mentioned that terrorist
outfits based in Pakistan and Pakistan-administered
Kashmir have infiltrated into India
through the India-Bangladesh and India-Nepal
borders for carrying out terrorist
activities. The bomb blast in Varanasi
in March 2006 had been carried out
by terrorists who had apparently come
through the India-Bangladesh border.
The serial blasts on Mumbai local
trains in July 2006 also had an allegedly
Bangladesh connection since at least
five terrorists involved in the blasts
had infiltrated into India through
the India-Bangladesh border, it was
later found by Indian agencies.
Courtesy:
www.mangalorean.com, June 26, 2007
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Astronomers
discover new class of stellar explosions
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Astronomers
have discovered a new class of stellar
explosions, which is believed to have
resulted from the merger of two ordinary
stars some 49 million years ago. Shrinivas
R. Kulkarni from the California Institute
of Technology discovered the puzzling
explosion during the Lick Observatory
Supernova Search with the Katzman
Automatic Imaging Telescope, in a
joint study with Alex Filippenko and
Weidong Li of University of California,
Berkeley. According to Kulkarni, the
MacArthur Professor of Astronomy and
Planetary Science at the Institute,
and team leader of the study, the
discovery of M85OT2006-1, is merely
the proverbial tip of the iceberg
for an emerging class of cosmic transients.
"Though the primary scientific goal
of the program is discovering supernovae
and it`s quite successful at doing
that, it is gratifying to find new
classes of transient objects such
as M85OT2006-1," said Li, who is in
charge of the daily operation of the
supernova search. Prof. Kulkarni said
the explosion was surprising because
it was far too faint for a supernova,
in which a star literally explodes,
but clearly too bright for a nova
or a thermonuclear explosion from
the surface of a white dwarf star.
Arne Rau, a postdoctoral fellow working
with Prof. Kulkarni, said, "I was
simply floored. In a short time we
went from speculation to a real discovery.
It was an exciting moment for me".
Prof. Kulkarni said the finding was
based on observations of a flash seen
in the Virgo cluster in a galaxy known
as Messier 85. The galaxy in which
M85OT2006-1 exploded is composed mainly
of old stars, which also indicates
that the event probably arose from
a population of stars with masses
very similar to that of the Sun, he
said. "More than a decade ago, one
other similar but poorly studied event
was observed in the Andromeda galaxy.
Possibly, the red luminous novae result
when two stars merge and undergo what
is called "common envelope evolution".
The common envelope phase has been
inferred on strong theoretical grounds,
but is now caught in flagrante delicto,"
Prof. Kulkarni added. Rau, who undertook
separate observations of M85OT2006-1
with NASA`s Spitzer Space Telescope,
said the object is a "cosmic oddball".
"It is hard to imagine both a bright
explosion which is also so cold. There
is little doubt that the discovery
of this new class of cosmic explosions
will make astronomers inspect ongoing
searches carefully for similar events.
Future imaging surveys will likewise
be energized by this discovery," Rau
said.
Courtesy:
www.zeenews.com, June 24, 2007
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Atlantis
lands safely, Sunita returns to Earth
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Space
shuttle Atlantis touched down at the
Edwards Air Force Base in California
on Saturday bringing Indian-American
astronaut Sunita Williams back to
earth after a record 195-day stay
in space.
The
spacecraft touched down at 0119 IST.
Mission
managers had to divert Atlantis to
Edwards in the Mojave Desert as poor
weather at the Kennedy Space Centre
in Cape Canaveral forced mission managers
to skip three landing attempts there
over the last 24 hours. The spacecraft
began its fiery descent to earth with
Commander Rick Sturckow and Pilot
Lee Archambault firing the space shuttle's
engines at 0113 IST. The de-orbit
burn slows down the shuttle for its
return through Earth's atmosphere.
Williams was riding back to Earth
lying on her back to ease the transition
back to gravity as she had lived in
the weightless conditions aboard the
International Space Station since
December. Williams crossed the milestone
for longest uninterrupted stay by
a woman in space on Saturday last
surpassing the 188-day, four-hour
mark set by US astronaut Shannon Lucid
in 1996 on a mission to the Russian
Mir space station. As Atlantis crossed
the Pacific and glided over the runway
at Edwards Air Force Base in California,
several people recalled the tragic
memories of the Columbia disaster
of 2003, in which India-born Kalpana
Chawla and six others perished. During
its 13-day mission, Atlantis delivered
a truss segment for the international
space station and a replacement for
Williams. Atlantis also delivered
a new station crew member, Flight
Engineer Clayton Anderson who replaced
Williams. During their stay, the Atlantis
crew worked on the on-orbit construction
of the station with the installation
of the Starboard 3 and 4 truss segment.
The crew installed the truss on Monday
last and conducted four spacewalks
to activate it and assist in the retraction
of solar array. During the third spacewalk,
the crew repaired an out-of-position
thermal blanket on the left orbital
manoeuvring system pod. Earlier on
Tuesday, the crew overcame a computer-meltdown
and repaired the heat shield of the
shuttle, before undocking from the
space station.
Courtesy:
Times of India, June 23, 2007
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New
technology makes diagnosis of abnormal
pregnancy cheaper
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Indian
scientists have developed a new technology
that will help diagnose at a very
early stage and at affordable cost
abnormal pregnancies that can lead
to miscarriages and stillbirths. Such
cases, called ectopic pregnancies,
can be detected even before it can
be spotted by an ultrasound machine,
said scientists at the National Institute
of Health and Family Welfare (NIHFW),
a government organisation under the
ministry of health and family welfare.
They say they have developed the technology,
the first of its kind across the globe,
after two decades of labour to help
millions of women who suffer. "Our
technology is more accurate and cheaper
than the present ultrasound machine.
This will help women to know their
pregnancy status in the fifth week
after they conceive," T.G. Srivastava,
who has developed the technology,
told IANS
A
professor at the Reproductive Biomedicine
Department of NIHFW, Srivastava claimed
that technologies that were currently
available could give a clear picture
about the pregnancy only after the
fifth week and at a much later timeframe
in cases of ectopic pregnancies. "Our
technology will prove to be a boon
for people suffering from ectopic
pregnancies where fertilised eggs
are found outside the uterus. It leads
to miscarriages and stillbirths. An
early diagnosis will ensure women
do not suffer much." In ectopic pregnancy,
the foetus may get attached to fallopian
tubes, abdomen or even the cervix
area. As none of these areas have
enough space, the mother suffers pain.
When the foetus grows, it can even
result in bursting of the organ, leading
to major complications, the doctors
explained. It causes severe bleeding
and in many cases endangers the mother's
life. Most such pregnancies lead to
stillbirth, they added. "People pay
at least Rs.7,000 for such tests but
our technology will certainly be 10
times cheaper. Many people in rural
India earn less than Rs.4,000 a month.
How can they pay so much for a test?"
Srivastava queried. The new kit can
survive relatively high temperatures
of 37 degrees Celsius for a period
of three months and continue to give
best results. If kept at temperatures
between 2-8 degrees Celsius, it can
remain effective for use for over
two years. NIHFW director Deoki Nandan
said the institute has transferred
the technology to the National Research
Development Corporation (NRDC), a
wing of the Ministry of Science and
Technology. "It will now be the responsibility
of NRDC to make it available on a
large scale." Somenath Ghosh, NRDC
chairman and managing director, said:
"Now we will consult both Indian and
foreign companies to make it available
for the masses. I am sure it will
reduce the time and cost of pregnancy
related diagnosis drastically."
Courtesy:
www.mangalorean.com, June 18, 2007
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First
solar-powered mobile phone
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A
Chinese company has claimed to have
developed the world's first solar-powered
mobile phone that uses sun's energy
to recharge itself. The company says
a scale-like solar panel on the top
side of the clamshell-designed phone
can also be recharged by light from
other sources including candles. It
can provide 40 minutes of talk-time
after sitting in the Sun for an hour.Hi-tech
wealth, a well-known telecommunication
products supplier in china, claims
its mobile phone is the world's first
to use solar power to recharge its
battery. The company says it has developed
the most advanced solar power technology
and owns eight patents and has applied
for numerous others. Many companies
around the world are working on similar
mobile phones but their products are
still at the experimental stage, Xinhua
news agency quoted a company official
as saying. "With more than 400 million
mobile phones in the country, china
would save a great amount of electricity
if all its mobile phones were recharged
by light," chairman of Hi-Tech Wealth,
Zhang Zhengyu said. He claimed that
the lifespan of the battery in the
new phone is 2.5 times longer that
traditional batteries. The cost of
the solar-powered mobile phone was
not provided. The company plans to
put six of its light energy mobile
phones on the market this year, and
another 30 next year, the report said.
Courtesy:
www.zeenews.com, June 07, 2007
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