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Bridging the digital divide
Networking rural India with telephone and the Internet is becoming a reality with Chiraag. Tamil Nadu is using corDECT technology to network ten districts. Villagers and some corporates are already benefiting.


Diamonds are natural time capsules
Diamonds preserve information about cycling of sulphur between Earth's crust, atmosphere, and mantle.
Stronger materials for aircraft
THE HORSE is no longer an unlikely source of inspiration for more efficient flight. So says a group of University of Florida engineers who are testing a plate that mimics an unique bone in the horse's leg with an eye toward lighter, stronger ...
'Fountain of youth' gene found
WITH AGE, the body deteriorates. Muscles atrophy. Bones grow thin. The skin loses its elasticity. Wounds are slow to heal. Our tissues don't regenerate the way they did in youth. University of Illinois at Chicago researcher Robert Costa believes ...
GM crops and their implications
NEW DEVELOPMENTS in recombinant DNA technology offer uncommon opportunities for genetic modification of crop plants for improved quantity and quality, resistance to biotic and abiotic stress factors and developing varieties for superior ...
Sensitive teeth
IF YOU avoid bright light, loud noises, heavy perfumes and itchy clothing, you may find that you avoid hot and cold foods because you have sensitive teeth. A new study, that appeared in the journal General Dentistry confirms that people ...
Eating leafy vegetables reduces colon cancer risk
NEW RESEARCH claims eating leafy green vegetables like sprouts can reduce the risk of colon cancer. The six-year study conducted by scientists in Liverpool, north-west of England, found eating at least about one serving a day lowered the risk ...
Workshop for schools on radioactivity
A ONE-DAY work-shop on `Radioactivity and its application' is being conducted at the IDPL Matriculation Secondary School, Nandambakkam, Chennai-89 on 4 January 2003. The workshop is targeted towards higher secondary level students. Basics of ...
Using light for encryption
TODAY CRYPTOGRAPHY is vital to the security of the Internet. Researchers at Northwestern University have now demonstrated a new high-speed quantum cryptography method that uses the properties of light to encrypt information into a form of code ...
Speaking Of Science
Proline — the world's smallest enzyme
WE ARE always fascinated to know about the world's smallest or biggest things. Here is one; what is the smallest drug in the world? My answer is the lithium ion. Just a fraction of a nanometre in size (even including the inevitable water ...

Agriculture
Low-cost and effective botanical insecticides
BOTANICAL INSECTICIDES are becoming more popular with growing awareness among farmers about their cost and field-effectiveness and eco-friendly nature. When used along with other potent bio-insecticides, the synergistic effect of the ...

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