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Digital camera: of pixels and quality pictures
Roughly beyond 5-6 mega pixels, the increased noise overcomes any increase in image quality in compact cameras


The quest for uranium goes on
WHEN INDIA began its nuclear programme, scientists did not find any large and concentrated deposits of uranium ores. Dr Homi Bhabha then proposed to start an extensive and intense search for sources of uranium. "These geological surveys would ...
Gene-aided man got a head start over chimps

AIDS: U.S. strategy to fight it
PEPFAR supports full ABC programmes in Uganda
Speaking Of Science

Wanted: more science, more scientists
We are doing better science but the number of practising scientists is coming down

Agriculture

FARMER'S NOTEBOOK
Vaidya kumbalam: medicinal ash gourd variety
About four tonnes of fruits can be harvested from a hectare
Red-headed caterpillar in groundnut
The pest affects rain-fed crops
FARM QUERIES
Rabbit ear tree
From where can I get information on rabbit ear tree. It is known as muyal kadhu maram in Tamil. V. Bharath
Chennai The botanical name of rabbit ear tree is Kleina grandiflora and it belongs to family Asteraceae. In ...
FARM QUERIES
Bore well irrigation
I water my plants regularly with bore well water, which is abundant in calcium salts. Will it affect the plant growth? Jeevalakshmy Arumugham
Coimbatore, Tamil Nadu Observe the plant growth. If plant growth is stunted, then keep the ...

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