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Nanofiltering effluents
Nano sized ceramic filters are capable of removing bacteria and even viruses if the pore size is reduced below 10 nanometres. Research is now directed to reduce the pore size further to one nanometre to remove iron salts and coloured molecules.


New way to store hydrogen fuel
A NEW method for storing hydrogen fuel has been proposed by University of Chicago scientists in the online edition of the Proceedings of the National Academy of Sciences. The more widespread use of hydrogen fuels, which are both ...
'Ivory crisp' potato makes tasty chips
`IVORY CRISP', is an excellent potato from university scientists and their Agricultural Research Service colleagues. ARS is the U.S. Department of Agriculture's chief scientific research agency. The potato might be the source of your favourite ...
How fish save energy by swimming in schools
SCIENTISTS HAVE found that fish use a unique swimming motion to harness the energy of eddies in flowing water using a tank designed to mimic a turbulent waterway. The scientists say, by essentially hitching a ride and letting these vortices ...
Health & Medicine

Continuous monitoring of blood sugar
GETTING UP in a sweat in the middle of the night can become a nightmare for some, but a regular feature for many. Rushing for a bite is often the recourse. The reason — diabetic patients dependent on insulin injections have there blood ...

Speaking Of Science

You are human if you are hairless
ONE OF the things I fell for, while courting my wife, was her lush knee-length hair. Thick, shiny and silky hair on a woman's head has always been a source of attraction to men, who pen poems and sing songs about it. The euphonious Urdu word Zulf ...

Agriculture

Vermicompost from flower waste
FOR FLOWER waste vermi-composting flower waste and cow dung were mixed in equal quantity (each 5 kg.). For vermicomposting, flower waste should due to low availability of low nutrients and be mixed with other organic wastes preferably cow ...
Remunerative brinjal variety
A PERENNIAL brinjal variety called `Vazhuthanamkkai' termed Solanum melongena var. serpentinum is an erect, semi-spreading and determinate plant growing to a height of 140-145 cm. Cultivation technology followed for this crop is similar ...
FARMER'S NOTEBOOK
Bacterium with salinity tolerance
A NEW bacterium, endowed with the capacity to fix atmospheric nitrogen in plants and solubilise tri-calcium phosphate, has been isolated from wild rice by the scientists at the M. S. Swaminathan Research Foundation (MSSRF), Chennai, recently. ...
Biochemical component
QUESTION: What are the major biochemical components present in Stevia rebaudiana which are responsible for the sweet taste? P.Thangaraj, Valparai, T.N. ANSWER: The major biochemical components present are ...
Herbal cultivation
QUESTION: Please give me details of an institution which will help in herbal cultivation? Vijay, Chennai ANSWER: You may contact VHERDS No 41(old no19), Circular road, United India Colony, ...
Good yield
ANSWER: By regular pruning in the month of August and by adding good amounts of nutrients and regular watering, mangoes can be made to yield well



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