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Messenger on a long journey to Mercury
THE SPACECRAFT Messenger rocketed away Tuesday on a 5 billion-mile journey to Mercury, the closest planet to the sun and a stranger to camera close-ups for the past three decades. NASA launched Messenger in the pre-dawn moonlight on the ...


Plastics cause gender change
Scientists now fear that seals, dolphins, otters, birds such asperegrine falcons and even honey bees are heading towards a unisex existence that would lead to extinction.
Plant respiration not an evolutionary leftover
RESEARCHERS HAVE found that the biological process, photorespiration, in plants is necessary for healthy plant growth and if impaired could inhibit plant growth, particularly as atmospheric carbon dioxide rises as it is globally. The ...
IT TRENDS
Now get set for the next Internet
The Net is getting crowded: Within this decade, we may exhaust the store of addresses. Anand parthasarathy reviews plans to create a new-generation Internet and suggests why India must be an early mover.
Evolution of immune systems
WHEN DISCUSSING the attributes that make mammals special, a sophisticated immune response generally comes close to the top of the list. But now it seems that we are not so unique after all. Researchers have found that primitive fish called ...
Fertigation boosts banana yield
Tissue culture banana with fertigation recordes a better yield.
Castor for aberrant weather
WHENEVER CROPPING schedules are delayed for over a month or more in drylands. Castor has been recommended as contingency crop. The following are the recommendations: — Grow short duration varieties like Jyothi (DCS-9), Kranti (PCS-4) and ...
Gluing broken bones together
SEVERAL YEARS ago a team of molecular scientists looking for something better than surgical screws to hold broken bones together created an amazing product. They cooked up a vat of synthetic polymers that acted like the `superglue' for bones ...
Nematode management in Okra
OKRA IS one of the most important vegetables grown in India. It is in famous for its susceptibility to root knot nematodes and also extremely sensitive to sting nematodes. Typical symptoms of nematode injury can involve both above ground and ...
Health & Medicine

Preventing vertical HIV transmission
The new prevention strategy is shorter effective and without additional risk of toxicity for either mother or child.

Agriculture

Geese for integrated orchard and pastures
GEESE, A predominantly vegetarian bird, are particularly suited for raising in the integrated horti-silvi-pastoral systems, that are widely adopted by farmers in many parts of the country. "These hefty and hardy birds feed voraciously on tender ...
Hybrid coconut
QUESTION: How early will hybrid coconut start yielding and what will be the yield? M. S. Srinivasan, Chennai ANSWER: Hybrid coconuts will start yielding from the fourth year of planting. Young trees of seven years and ...
Tulsi plant
ANSWER: The plants may be grown in a pot and moved to a green house or inside the house during severe winter.



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