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IT TRENDS
'Shubh yatra: Have a safe cyber journey!'
Viruses, worms, Trojan horses, spam — multiple threats confront the `connected' PC user today. Anand Parthasarathy looks at what's being done and reviews some tried and tested remedies.


Supermarket shopping sans strain
ANYONE WHO visits a supermarket to make purchases must often have had the following experiences: Not knowing what to buy, having forgotten the list given by the spouse back home. Unable to locate a particular product and meandering through a maze ...
Passive smoking controversy
RECENTLY, THE British Medical Journal lowered its guard and published a paper titled `Environmental tobacco smoke and tobacco related mortality in a prospective study of Californians 1960-1998' by Enstrom & Kabat. Tabloid style, the ...
Looking at mother Earth from Mars
HAVE YOU ever wondered what you would see if you were on Mars looking at Earth through a small telescope? Now you can find out, thanks to a unique view of our world recently captured by NASA's Mars Global Surveyor spacecraft currently orbiting ...
Lightning strikes release powerful X-ray bursts
A MYSTERIOUS property of lightning has been confirmed. Just before a flash of lightning lights the sky, a huge blast of x-rays or other high-energy particles is released. The phenomenon means physicists may have to rethink how lightning is ...
Health & Medicine
Pupil size crucial for laser vision correction
EXACTLY HOW a person's eyes respond to low levels of light is even more crucial than doctors have thought in deciding who is and who isn't a good candidate to have laser vision correction surgery, according to results announced at the annual ...
Chewing gum reduces acid in mouth
THERE IS no question that chewing any kind of sugar-free gum can reduce cavities. According to Dr.Colin Dawes in the Faculty of Dentistry at the University of Manitoba in Winnipeg, Canada, "When we chew gum, we increase the flow rate of saliva in ...

Agriculture
FARMER'S NOTEBOOK
Extra-early maturing field pea variety
PLANT BREEDERS at the division of Genetics, Indian Agricultural Research Institute (IARI), New Delhi, have developed an extra-early maturing field pea Pisum sativum with built-in resistance to powdery mildew disease. The improved variety ...

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