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Cell phones: precautionary approach needed
Though no adverse health effects have been established for mobile phone use, excessive use by children should be discouraged


Zinc reduces the severity and duration of the common cold
According to a systematic review published in The Cochrane Library, zinc supplements reduce the severity and duration of illness caused by the common cold.The findings could help reduce the amount of time lost from work and school due ...

Mosquito-eating spider
The stinky smell of sweaty socks may force you out of a room, but scientists have found that the odour enthrals a spider that preys on malaria-carrying mosquito Anopheles gambiae.Researchers who made this amazing discovery said their ...

Bionic arm works on mind power
In a chapter straight out of sci-fi, scientists have fashioned a bionic arm by connecting nerves from an amputee's stump to his chest muscles to make it work seemingly on mind power.When the amputee wishes to move his chest muscles, the ...

‘Lucy' walked upright
Lucy may well be the world's most famous fossil hominid. She is the best-known specimen of the species Australopithecus afarensis, and her partial skeleton, found in 1974, revealed that she and her kin could walk upright.But because of ...

Eating berries lowers risk of Parkinson's
Eating berries lowers risk of developing Parkinson's disease. Men may also further lower their risk by regularly eating oranges, apples and other sources rich in ...

Invasive plants can be beneficial to ecology
In a study in the U.S., it was found that certain well-established, invasive fruiting species have mutualism (beneficial to both) with fruit eating bird communities which also helps seed dispersal of other species of fruiting ...

Gene from celery inside rose fights petal blight
In a bid to extend the ‘vase life' of roses, a gene from celery called mannitol dehydrogenase was inserted inside rose plants to help fight off botrytis, or petal blight, one of the rose's major post-harvest ...

Arctic climate changes during late Cretaceous
Tiny organisms preserved in marine sediments hold clues about Arctic climate variation during an ancient episode of greenhouse warming (late Cretaceous), reconstructions of Arctic climate variability ...

The Moon has a core, just like the Earth
In an attempt to extract information on the very deep interior of the Moon, Apollo seismic data was reanalyzed using modern methodologies to detect what many scientists have predicted: the Moon has a ...

NASA airborne sensor studies ‘river in sky'
A NASA Global Hawk unmanned aircraft studied an atmospheric river ('river in sky'), a narrow region in Earth's atmosphere that transported enormous amounts of water vapour from the Pacific Ocean off ...
Agriculture


FARMER'S NOTEBOOK
Video clippings educate on methods practised elseware
All the video clippings are available to the public on www.digitalgreen.org

Tractor rotovator for weeding in tree crops
Weeding is a major labour activity in the cultivation of tree crops. At present weeding in tree crops is done with the help of power tiller rotovators and tractor drawn cultivators.Extent of coverageThe power tiller rotovator ...


FARM QUERY
Bio waste gasifier
Mr. Rai Singh Dahiya in Rajasthan has developed a unique biomass gasifier that can be used to operate pump sets in remote fields, pump up water in homes, operate basic machines such as saw mills, flour mills and generate electricity by ...


Question Corner


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