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Secret of spider's, silkworm's fibre strength revealed
TUFTS UNIVERSITY bioengineers have discovered how spiders and silkworms are able to spin webs and cocoons made of incredibly strong fibres. The answer lies in how they control the silk protein solubility and structural organization in their ...


Nanoscale iron could help cleanse environment
AN ULTRAFINE, `nanoscale' powder made from iron, one of the most abundant metals on Earth, is turning out to be a remarkably effective tool for cleaning up contaminated soil and groundwater, a trillion-dollar problem that encompasses a number of ...
Mapping phonons in plutonium
MAKING A landmark event in the history of the experimental investigation of plutonium, scientists from the Lawrence Livermore National Laboratory for the first time have fully mapped the phonons in gallium-stabilised delta plutonium. The ...
Increased fungal metabolism under snow
MICROBES LIVING under the tundra snow pack ramp up their populations in late winter, says a University of Colorado, Boulder study. This finding has implications for changing estimates of carbon dioxide levels in Earth's atmosphere. According to ...
Clues to development of visual system
A NEW study completed at the University of California, San Diego describes the effects of long-term blindness on the human visual system. The collaborative study was led by Ione Fine and Donald MacLeod in the UCSD Psychology Department. The ...
Solar-powered integrated window system
A TEAM of researchers at Rensselaer Polytechnic Institute has developed a solar-powered, integrated window system that could reduce dependency on energy grid. Designed to function as a shading system, the Dynamic Shading Window System (DSWS) ...
New car parts from old
NEW TECHNOLOGY developed by university scientists and industry partners will help the automotive industry to turn old car bumpers into ... new ones. The technology converts composites to their original constituents — oil and fibre ...
Health & Medicine

Vitamin C may protect against ulcer-causing bacteria
It would be prudent for people with H. pylori infection to increase their intake of vitamin C. Higher levels of vitamin C may have the potential to prevent peptic ulcers and stomach cancer.
Abdominal fat, drinking pattern and heart disease risk
HOW YOU drink alcohol — how often, how much, when and what kind — can influence the risk of heart disease by affecting the accumulation of abdominal fat, a body characteristic shown to be an important risk factor for cardiovascular ...

Speaking Of Science

Life in fire and brimstone
KAZEM KASHEFI and Derek Lovley of the University of Massachusetts have described a bacterium that lives happily at 121 degrees centigrade. Writing in the 15 August issue of Science, they have christened it, naturally, as Strain 121. Growth ...

Paths Of Innovators

Pioneer of modern physical chemistry
Arrhenius' idea that the molecules of a solute were dissociated even in the absence of a potential difference seemed to many chemists wild.

Agriculture

Hardy rice with field tolerance to leaf folder and stem borer
SCIENTISTS AT the Agricultural Research Station (ARS), Paramakudi, Ramanathapuram district of Tamil Nadu, have developed an improved drought-tolerant rice variety with long bold white grains and field tolerance to leaf folder and stem borer ...
Vermiculture: Boon for farmers
ORGANIC FARMING involves harnessing of soil — work force like bacteria and earthworms to produces slow release nutrients with feed back from the plant root zone. Chemical farming reduces soil vitality. Along with 12 tonnes of farmyard ...
Seed hardening and pelleting in rainfed pulses
A STUDY was conducted at National Pulses Research Centre Vamban to find out drought resistance by seed hardening and pelleting treatments in pulses. The seeds were preconditioned by placing the seeds in between moist gunny bags for about one ...

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