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Cooling future computers the nanoway
Scientists are developing a new type of cooling technology for computers that uses a sort of nano-lightning to create tiny wind currents.


Breakthrough Internet protocol
TODAY'S HIGH-SPEED Digital Subscriber Line (DSL) connections seem lethargic compared to a new data transfer protocol for the Internet. The protocol is named BIC-TCP, which stands for Binary Increase Congestion Transmission Control Protocol and ...
Origin of life on Earth: Moon's role
FOUR BILLION years ago, when life began, moon orbited much closer to us than it does now, causing massive tides to ebb and flow every few hours. These tides caused dramatic fluctuations in salinity around coastlines that could have driven ...
Inching towards `open' Java?
IN WHAT looks like a software industry version of the children's game of `I dare you!', IBM has invited Sun Microsystems to join hands in creating a `open' version of its Java code, but as of now, Sun is not rising - to the challenge. `Big ...
Generating electricity from human waste
The waste we flush down the toilet could one day power lights at home.
Parasitic control in sheep
Animals should be administered the maximum permissible quantity of the drug which is purchased from reputed and established sources.
Chemical travels across oceans
HIGH CONCENTRATIONS of alpha-hexachlorocyclohexane (HCH) were detected in the atmosphere of Sable Island off the coast of Nova Scotia and Newfoundland. The chemical, once used in pesticides in Asia, has accumulated thousands of miles away in ...
Understanding `sick building syndrome' better
SOME OF the common chemicals found in your home may be the culprit behind your itchy eyes and dry throat and not the common cold is the conclusion from new techniques to understand indoor air pollution and `Sick Building Syndrome.' According to ...
System to computerise silent, subvocal speech
SMALL, BUTTON-SIZED sensors, stuck under the chin and on either side of the `Adam's apple,' could gather nerve signals. This was discovered by NASA scientists who have begun to computerise human, silent reading in preliminary experiments using ...
Water deficit symptoms in oil palm
OIL PALM requires regular watering, and generally grows well in regions with precipitation levels above 1500 mm and regions having no prolonged droughts. Palms suffer water deficit due to several factors. A premature folding over of the ...
Cigarette beetles menace to senna crop
CIGARETTE BEETLE (Lasioderma serricorne) is a serious pest in Senna crops. During storage the insect larvae deteriorate the quality of stored senna. The Lasioderma damage senna leaves, pods and seeds by making small cylindrical ...
Speaking Of Science

Biology of language: the mother of all languages?
WORDS EXPRESS feelings and thoughts. But so do nonverbal sounds such as finger-snapping, tongue-clicking or whistling. Fifty years ago, when I first went to Delhi, I found customers in restaurants calling the waiter by snapping fingers. When my ...

Agriculture

Milky mushroom culture using earthworm casts
The sporophores are robust, attractive and milky white in colour. These mushrooms grow well at a temperature range of 25-35{+o}C. The production of milky mushroom depends on a top dressing after the mushroom substrate has been fully colonised ...
Promising tree for commercial plantation
MACADAMIA, A promising evergreen tree, producing tasty edible nuts, is an ideal candidate for commercial plantation in the country. Ideal locations for growing this tree on a commercial scale are available in TamilNadu, Karnataka, Kerala, Andhra ...
Vernacular name
ANSWER: The Tamil name is Marutu or Vellai marutu and the Malayalam name is Neer marutu or Venn marutu


Thrips menace
ANSWER:The sucking pests of rose can be controlled by spraying with 1 per cent neem oil with a few drops of soap solution.


Tamil name


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