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YEAST/NON-ESSENTIAL'GENES PROVIDE ANSWERS
Protection from radiation in humans
The discovery demonstrates how important many of the 'non-essential' genes may be, especially in regard to our susceptibility to the environment -- radiation, cigarette smoke, solvents and other chemicals, drugs and even certain foods. More
Rise of smart materials and structures
CAN A material possess intelligence? The answer depends on what one means by intelligence. One tends to associate intelligence with what a human brain can do: perception, memory, thinking, problem solving, learning, creativity, etc. A personal ... More
Chemists create plastic magnet
A TEAM of chemists at the University of Nebraska-Lincoln have created the world's first plastic magnets. Andrzej Rajca, a professor of chemistry, Suchada Rajca, his wife and research partner as a research assistant professor at Nebraska, and ... More
Odourless, tasteless cooling agent
THE ULTIMATE in cool could soon be coming to a grocery store near you: German researchers have developed a compound they say has 35 times the cooling power of mint, the natural coolant most widely used in food and other consumer products today. More
Sensing the way through olfactory map
EACH DAY, we use our noses to help make sense of our surroundings. We may not be as dependent on our olfactory capabilities as dogs or mice, but we are able to recognise and``assign an odour''to many thousands of chemicals in our environment. More

IT TRENDS
Publishing's next wave: digital news-stand
Electronic dissemination of print media has moved beyond ``online editions.'' An emerging niche is digital delivery of true copies of printed versions, via satellite or Internet-linked kiosks. More

HEALTH & MEDICINE
Effects of arsenic on human cells
A mechanism that may account for paradoxical effects of arsenic, which is both a treatment for cancer and a carcinogen has been discovered. The findings have implications for development of therapies for treating cancer and for health issues relating to acceptable levels of arsenic in drinking water. More
Stopping internal bleeding sans surgery
RESEARCHERS AT the University of Washington's Applied Physics Laboratory are working on a device that could find and stop internal bleeding, without surgery. At the meeting of the Acoustical Society of America, Dr. Shahram Vaezy and his ... More

PATHS OF INNOVATORS
Andre Marie Ampere: Practitioner of electrical science
He was educated at home. His mathematical powers developed early: like Blaise Pascal (1623-1662), he had composed a treatise on comic sections by the age of 13. He had also mastered at 18 , Lagrange's treatise on Analytical Mechanics. From 1796 ... More

AGRICULTURE
FARMER'S NOTE BOOK
Semi-dwarf rice for direct seeding
A HIGH-YIELDING semi-dwarf rice variety that does well under direct seeding in the rainfed uplands and lowlands of Kerala, has been developed by scientists at the Regional Agricultural Research Station, Mele Pattambi in Kerala. The promising ... More
Insect migration to cultivated crops
THE REPERCUSSIONS of deforestation has earlier been variously attributed to various factors such as irregularities of monsoon rainfall and denudation of top soil. Depletion of ground water level by meteorologist, soil conservationist and ... More
Bacterial blight in pomegranate
THE DISEASE is caused by Xanthomonas campestris. Characterestic symptoms of the disease are: Small, irregular, water soaked spots are 2 to 5 mm in size with necrotic centre of pin head size. Spots are translucent against ... More
Managing bark caterpillar
Peculiar galleries, generally near the fork or angles of the stem and branches indicate incidence of the pest.BARK BORER or bark catterpillar is a polyphagous and serious pest in South IndiaIt attacks mango, guava, citrus, ... More

QUESTION CORNER



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