Online edition of India's National Newspaper
Thursday, August 15, 2002
Sci Tech
Published on Thursdays
News Update

Features
Magazine
Literary Review
Life
Metro Plus
Open Page
Education
Book Review
Business
SciTech
Entertainment
Young World
Quest
Folio

Group Sites
The Hindu
Business Line
The Sportstar
Frontline

Home

Nanoparticles used in solar energy conversion
AN ENORMOUS source of clean energy is available to us. We see it almost every day. It's just a matter of harnessing it. The problem with solar energy is that it has not been inexpensive enough in the past. David Kelley, professor of chemistry ...


Fresh light on cellular theory
LIFE DID not begin with one primordial cell. Instead, there were initially at least three simple types of loosely constructed cellular organisations. They swam in a pool of genes, evolving in a communal way that aided one another in bootstrapping ...
Make light of jet lag
CELLS THAT help pick out day from night have been discovered lurking at the back of the eye, says a report in New Scientist. These special cells use light to help set the body's internal clock, even in blind animals. The cell doesn't ...
Blame it on father
FERTILITY EXPERTS admit they are baffled by the recent discovery of families in which a tendency to sire twins is passed on from father to sons, according to a report in New Scientist. It's a conundrum because there is no obvious ...
Linking cooking and carcinogens
FRENCH FRIES and potato chips may be doing more than just clogging our arteries. The study of acrylamide levels in foods suggests the suspected carcinogen forms in dangerous levels during cooking of potatoes. The findings are reported in the ...
Quake-proof design, construction
LARGE STRAIN energy released during an earthquake travels as seismic waves in all directions through the Earth's layers, reflecting and refracting at each interface. These waves are of two types - body waves and surface waves; the latter are ...
Speaking Of Science
This can't be yogurt!
Mr. SANJIT BAGCHI REPORTS in the July 29 issue of The Telegraph, Kolkata on a recent scientific finding involving yoghurt. Apparently some Swedish scientists have found that a modified form of curd or yoghurt is good to protect your teeth ...

Paths Of Innovators
Pioneer of palaeobotany - Birbal Sahni (1891 -1949)
BIRBAL SAHNI was born on November 14, 1891 at Bahera, Shahpur district (now in Pakistan). His father Ruchi Ram was professor of chemistry at the Government College, Lahore. Leading political figures such as Motilal Nehru, Gokhale, Srinivasa ...

Agriculture
Mechanising cane cultivation
SUGARCANE CULTIVATION has to be mechanised to make it more remunerative. The Sugarcane Breeding Institute (SBI), Coimbatore, has field tested many tractor-drawn implements, and found that they are efficient, cost-effective and cover a large area, ...

Question Corner



News: Front Page | National | Southern States | Other States | International | Opinion | Business | Sport | Miscellaneous | Index | Features: Magazine | Literary Review | Life | Metro Plus | Open Page | Education | Book Review | Business | SciTech | Entertainment | Young World | Quest | Folio |

The Hindu Group: Home | About Us | Copyright | Archives | Contacts | Subscription
Group Sites: The Hindu | Business Line | The Sportstar | Frontline | Home |

Comments to : thehindu@vsnl.com   Copyright © 2002, The Hindu
Republication or redissemination of the contents of this screen are expressly prohibited without the written consent of The Hindu