Contents

IN THIS ISSUE

231	In this issue

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EDITORIAL

233	Population
	P. Balaram

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CORRESPONDENCE

235	On the impact of impact factors
	R. L. Karandikar and V. S. Sunder
236	Is assessment and accreditation a farce?
	D. K. Basa
236	Sir Arthur Cotton
	Gautam R. Desiraju
237	Coordination among institutions
	Samarjit Bhattacharyya and Garga Chatterjee
237	The plight of ‘contract lecturers’
	U. Annadurai
238	Science education in India
	Rajashekhar Patil
238	An unexpected discovery !
	D. N. B ose
239	Modelling fluid flow in the Mid Oceanic Ridge hydrothermal system
	Soumyajit Mukherjee
239	A role model
	A . R ajanikanth
240	Indian Science Congress melas
	H. S. Virk

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NEWS

240	Linking botanic gardens of India
	Nirupa Sen

COMMENTARY

241	The promise and turmoil of India’s freshwater
	S. N. Guru Rau

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243	From the archives

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SCIENTIFIC CORRESPONDENCE

244	A vegetative voltaic cell
	Prajjal Datta
245	Ethanolic extract of Bacopa monniera (Brahmi) induces shortening of cell-cycle durations in naturally synchronous Physarum polycephalum
	T. Venu, D. Vishwanadham, P. R. Jayasree and  P. R. Manish Kumar
247	Role of plant proteins in formulated fish feeds
	N. Krishnankutty and T. R. Sujatha
249	The Jurassic ostracode fauna of Bela Island, Rann  of Kachchh, Gujarat
	S. C. Khosla, Manisha Kumari, A. Darwin Felix,  S. R. Jakhar and M. L. Nagori

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GENERAL ARTICLES

252	Smart batteries
	A. K. Shukla and B. Hariprakash
256	Doppler radar -- A detecting tool and measuring instrument in meteorology
	A. K. Bhatnagar, P. Rajesh Rao, S. Kalyanasundaram,  S. B. Thampi, R. Suresh and J. P. Gupta

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REVIEW ARTICLE

265	Hydrogen from biomass
	Kaushik Nath and Debabrata Das

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SPECIAL SECTION: MID-OCEANIC RIDGES

272	Mid-ocean ridges, InRidge and the future
	Sridhar D. Iyer, Ranadhir Mukhopadhyay, Rajendra K. Drolia and Dwijesh Ray
277	Structure, tectonic and petrology of mid-oceanic ridges and the Indian scenario
	Sridhar D. Iyer and Dwijesh Ray
290	The Northern Central Indian Ridge: Geology and tectonics of fracture zones-dominated spreading ridge segments
	R. K. Drolia, Sridhar D. Iyer, B. Chakraborty, V. N. Kodagali, D. Ray, S. Misra, R. Andrade, K. V. L. N. S. Sarma, R. P. Rajasekhar and Ranadhir Mukhopadhyay
299	Genetic aspects of basalts from the Carlsberg Ridge
	Ranadip Banerjee and Sridhar D. Iyer
306	Application of artificial neural network to segmentation and classification of topographic profiles of ridge-flank seafloor
	Bishwajit Chakraborty, Eric Lourenco, Vijay Kodagali and Jennifer Baracho
313	Boron and chlorine isotopic signatures of seawater in the Central Indian Ridge
	P. V. Shirodkar, Y. K. Xiao and Lu Hai
321	Metallogenesis along the Indian Ocean Ridge System
	Ranadip Banerjee and Dwijesh Ray
328	Macrobenthic abundance in the vicinity of  spreading ridge environment in Central Indian Ocea n
	Baban Ingole
334	Structure and evolution of the Carlsberg Ridge : Evidence for non-stationary spreading on old and modern spreading centres
	S. A. Merkouriev and N. A. Sotchevanova
339	A new high-resolution model for India--Capricorn motion since 20 Ma: Implications for the chronology and magnitude of distributed crustal deformation in the Central Indian Basin
	C. DeMets and J.-Y. Royer

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RESEARCH ARTICLES

346	Periodic minimal surfaces of cubic symmetry
	Eric A. Lord and Alan L. Mackay
363	Biosynthesis of stearate-rich triacylglycerol in  developing embryos and microsomal membranes from immature seeds of Garcinia indica Chois.
	Jaiyanth Daniel, Liz Abraham, Krish Balaji and Ram Rajasekharan
RESEARCH COMMUNICATIONS
371	A new route to the synthesis of titanium-doped photosensitive haematite
	Anshul Agrawal, Yatendra S. Chaudhary, Vibha R.  Satsangi, Sahab Dass and Rohit Shrivastav
374	Selective growth of polypyrrole on w -pyrrolyl undecanethiol monolayer-patterned gold surface  using micro­contact printing technique
	A. Nirmala Grace and K. Pandian
378	On the origin of non-uniform surface electro- chemical potentials on the Delhi iron pillar
	R. Balasubramaniam
383	A lleviating effect of citrate on aluminium toxicity of  rice (Oryza sativa L.) seedlings
	Balaji Meriga, B. Krishna Reddy, G. Jogeswar,  L. A. Reddy and P. B. Kavi Kishor
386	Characterization and origin of silicic and alkali-rich  glasses in the Upper mantle-derived spinel peridotite xenoliths from alkali basalts, Deccan Trap, Kutch, northwest India
	N. R. Karmalkar and Porittran K. Sarma

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BOOK REVIEWS

393	Prospects for Stability in a Nuclear Subcontinent
	reviewed by K. R. Rao
395	Concepts in Space Science
	reviewed by B. N. Raghunandan
396	Green Pharmacy
	reviewed by G. V. Satyavati
398	Sustaining our Food Security
	reviewed by M. S. Swaminathan

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PERSONAL NEWS

400	Jamnadas C. Patel (1908--2003)
	Ashok D. B. Vaidya

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