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New method for converting nitrogen to ammonia
A remarkable chemical transformation has been discovered that is likely to have important implications for the production of ammonia.


Dirty air goes the distance
Winds pulled by a sort of high-speed conveyor belt propel the air mass carrying pollution from Asia.
Resurrecting an old technology
A 170-YEAR old electrical technology, called variable-switched reluctance (VSR) motors was resurrected in the 1980s with the advent of electronic controllers. The Texas-based Le Tourneau, Inc, has developed a wheeled front-end loader for ...
Magnets made from hydrocarbons
Magnetised hydrocarbons would weigh less than metallic magnets, making them attractive to the space programme and other commercial applications. And the raw materials would also be cheaper and easier to fabricate than metal substances.
Fortified orange juice lowers bad cholesterol
A STUDY based on a 10-week observation made on healthy volunteers with mildly elevated cholesterol levels indicated that plant sterols — recognised for their cholesterol-lowering power when added to margarines, salad dressings and other ...
GM fish could upset ecological balance
THE GENETIC modifications that improve animals for human consumption also could doom populations if released into the wild, according to a Purdue University research team. Biologist Rick Howard and his colleagues have discovered a paradox that ...
Lifetime hair dye use harmful
AN INCREASED risk of developing non-Hodgkin's lymphoma (NHL), a cancer that attacks the lymphatic system, part of the body's immune system, has been traced to lifetime use of hair colouring products such as hair dyes. ``An increased risk of NHL ...
Dipping chips into a deep freeze
A COMPACT, solid-state refrigerator, capable of reaching temperatures as low as 100 milliKelvin, has been developed. The refrigerator employs the technique of removing hot electrons in a manner similar to an evaporative air-conditioner or ...
Agriculture

The less known egg fruit
EGG FRUIT (Pautaria campechiana), belonging to the family sapotaceae, is a large, symmetrical, bushy, much branched, evergreen tree. The crop is indigenous to Malaysia and is also found in the western ghats of South India and the ...
FARMER'S NOTEBOOK
Management of eriophyid mite of coconut
THE ERIOPHYID Mite is one of the dreaded pests of coconut, and in recent years it has caused enormous damage to the palms. Scientists at the Central Plantation Crops Research Institute (CPCRI) have been working on methods to effectively manage ...
FARM QUERIES
Red sanders
ANSWER: You may contact the nearest nursery of the State Forest Department for quality seedlings


Flowering in papaya
ANSWER: By spraying suitable plant growth promoters and vermin wash flowering can be induced in Papaya.


Sugarcane cultivation
ANSWER: You may contact The Director, Indian Institute of Sugarcane Research (IISR), Lucknow 226002, U.P. Send your queries with full postal address to `Farm Queries', The Hindu, Kasturi Buildings, 859/860, Anna Salai,Chennai 600002, ...

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