Online edition of India's National Newspaper
Thursday, May 01, 2003
Published on Thursdays
Online edition of India's National Newspaper Thursday, May 01, 2003 |
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The power, promise and perils of `P2P' Smart materials with nano-sized clay A film with a single layer of clay helps to work with clay mineral in new ways. As clay behaves differently in bulk form composed of numerous layers, its value multiplies in a single-layer form. 
Sunlight converts anti-bacterial agent to dioxinSUNLIGHT CAN convert triclosan, a common disinfectant used in anti-bacterial soaps, into a form of dioxin, and this process may produce some of the dioxin found in the environment, according to researchers at the University of Minnesota. The ... Hydrogen car no environmental panacea EVEN WITH aggressive research, the hydrogen fuel-cell vehicle will not be better than the diesel hybrid (a vehicle powered by a conventional engine supplemented by an electric motor) in terms of total energy use and greenhouse gas emissions by ... 
Suri Bhagavantam(1909-1989): Architect of defence researchPROFESSOR SURI Bhagavantam took over as Scientific Advisor to the Defence Minister and Director General, Defence Research and Development Organisation in July, 1961. He was instrumental in making the DRDO an effective instrument to provide the ... Iron and zinc deficiencies in cane THE TWO essential micronutrients needed by cane are iron and zinc. Though needed in ppm levels they are as essential as the macronutrients for the normal growth and yield of all crops. When the contents of iron and zinc in the 3-6 leaves from the ... 
Trade Center forensics break new groundNINETEEN MONTHS after the terrorist attacks on the World Trade Centre, the effort to identify victims' remains goes on. Forensic scientists working on the project are being forced to break new ground. They have come up with innovative tests and ... Carbon onions in space ANOTHER MYSTERY about materials floating in deep space has been uncovered by scientists. Tiny multilayered balls called `carbon onions', produced in laboratory studies, appear to have the same light-absorption characteristics as dust particles in ...
THE LIFE of the silicon chip industry may last 10 or more years longer, thanks to a new manufacturing process developed by NASA scientists. The novel method, announced in the journal Applied Physics Letters, includes use of extremely ... DNA chip identifies dangerous pathogens The loop-laden chip could be used to detect anything from a bacterium or virus, to the specific DNA of a plant or person. It eliminates many time-consuming steps normally taken in identifying an organism by its DNA. Twist on software UNIVERSITY OF Toronto researchers have created software that will enable users to twist, bend, push and pull shapes in two and three dimensions. "Our work represents a completely different way of interacting with computers," says Professor ...
Males who are circumcised have nearly 50 per cent reduction in HIV infection when indulging in unsafe sex. Langerhans cells that HIV-1 encounters during sexual transmission are missing in these males. 
Postnatal stem cells found in 'baby' teethBABY TEETH, the temporary teeth that children begin losing around their sixth birthday, contain a rich supply of stem cells in their dental pulp, say scientists. This unexpected discovery could have important implications as the stem cells remain ... How camels lead us to medicines SCIENTISTS HAVE discovered the gene that gives freshly turned soil the distinctive smell which enables camels to find water in deserts. The earthy smell is caused by geosmin, a chemical produced by a common bacterium, Streptomyces ...
Wheat variety for peninsular zoneA HIGH-YIELDING wheat variety, which is ideally suited for the timely sown rain-fed conditions in the peninsular zone, has been developed by the scientists at the Genetics Division of the Indian Agricultural Research Institute (IARI), New Delhi. ... Tukra — a threat to mulberry gardens THE INCIDENCE of tukra is associated with mulberry mealy bug, Maconellicoccus hirsutus. The bug is polyphagous. Infected mulberry plants exhibit malformation on the apical part, resulting in curling of leaves and the plant is dwarfed ...
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