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Silent quake in volcanic region
Silent earthquakes are so called as they do not shake the ground and produce no seismic waves. In fact, without instruments like GPS such earthquakes cannot be detected. The Kilauea event was the first silent earthquake ever observed in a volcanic en vironment. More


Nanocatalyst behaviour observed
CATALYSTS MADE of small particles of metals such as platinum are widely used in the chemical and refining industries, as well as in catalytic converters in automobile tailpipes. Now researchers at the University of California, Davis, studying ... More
Superconducting transformer
RESEARCHERS FROM the Technology Foundation STW and the University of Twente have developed a prototype coil for a superconducting transformer which is light, compact and energy-efficient. The coil is made from insulated superconducting wires. ... More
Origami helps solve problems
FOLD THE paper in half and then fold it in half again and eventually that paper will be transformed into an airplane, a hat, or a peace crane. Origami - the ancient Japanese tradition of paper folding has been recognised as an art. But now ... More
Mutation created six-legged insects
BIOLOGISTS AT the University of California, San Diego have uncovered the first genetic evidence that explains how large-scale alterations to body plans were accomplished during the early evolution of animals. In the online publication by ... More
Materials and characterisation
CHARACTERISATION OF materials is an important area in the evolution of new materials having tailor-made properties for a specific application. The needs are also varied based on its intended application, whether it is heterostructure interfaces ... More
Information Technology
Riding the Moore's Law 'rocket'
Silicon will continue to rule computer chip business for atleast another decade, but the PC itself will increasingly evolve into an extended, wireless-enabled computing platform. Anand Parthasarathy reports from San Francisco, where Int el held its semiannual developer's forum, signposting future computing trends. More

Health & Medicine
Genetic link to migraine
UCLA GENETICISTS have discovered that migraine with aura is hereditary. Reported in the American Journal of Human Genetics, the findings will enable researchers to isolate the gene that predisposes people to migraine. "Now, we have proof ... More
Controlling internal clock and pupil of eye
USING GENETICALLY engineered mice, Johns Hopkins and other scientists have shown that a single kind of cell in the retina seems to detect light for the body's internal clock and the pupil, they report in the journal Science. The ... More
Why chemotherapy might lead to cancer
A STUDY of chromosomes in cancerous cells conducted at the Hebrew University of Jerusalem found that some chemotherapy drugs actually create such conditions that generate new cancerous growths. Associate Professor of Genetics Batsheva Kerem's in ... More

Agriculture
FARMER'S NOTEBOOK
Grow two rice varieties to maximise profits
BY GROWING two rice varieties of differing maturity group, according to K. Rajarathinavelu, a progressive rice farmer of Allivaram village, near Pennathur in vellore district, Tamil Nadu he has been able to maximise the farm productivity and ... More
Head rot of sunflower
SUNFLOWER IS an important oil seed crop in Tamil Nadu. Among the diseases affecting sunflower, head rot is serious. It appears during condition of high relative humidity followed by rains. The affected sunflower heads show water soaked ... More

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