Contents

IN THIS ISSUE

1189	In this issue

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EDITORIAL

1191	Creation, Evolution and Intelligent Design
	P. Balaram

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CORRESPONDENCE

1193	Cause of Indian famines?
	C. R. Bhatia
1193	Late arrival of science journals
	M. Selvaraj
1194	Decline of science in India
	N. D. Sharma
1194	Comparative evaluation of Indian physics research: impact factor  vs citations frequency
	S. M. Dhawan and B. M. Gupta
1195	Science in India
	R. P. Gupta; Subbiah Arunachalam

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COMMENTARY

1198	Marine gas hydrates: their economic and environmental importance
	Anil K. Gupta

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SCIENTIFIC CORRESPONDENCE

1200	The first crocodyliform (Archosauria: Crocodylomorpha) from the  Early Cretaceous of Korea
	Cheol-Soo Yun, Jong-Deock Lim and Seong-Young Yang
1202	Development of distributed fibre optic temperature sensor with  sub-metre resolution
	Sanjay Kher, Shrikant Gurram, Manoj Kumar Saxena and T. P. S. Nathan

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1205	From the archives

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GENERAL ARTICLES

1206	Arsenic-polluted groundwater in West Bengal: A cost-effective remedy
	Debkumar Bhattacharyya, P. K. Mukherjee, A. K. Ray and S. Sengupta
1210	Plant breeding: A component of public health strategy
	B. K. Misra, Rajiv K. Sharma and S. Nagarajan

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REVIEW ARTICLE

1216	Water for India in 2050: first-order assessment of available options
	S. K. Gupta and R. D. Deshpande

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SPECIAL SECTION: UNDERWATER CULTURAL HERITAGE

1225	Submarine prehistoric archaeology of the Indian continental shelf: A potential resource
	N. C. Flemming
1231	Underwater investigations off Mahabalipuram, Tamil Nadu, India
	Sundaresh, A. S. Gaur, Sila Tripati and K. H. Vora
1238	Shipwreck archaeology of Goa: Evidence of maritime contacts  with other countries
	Sila Tripati, A. S. Gaur, Sundaresh and K. H. Vora
1246	Princes Royal -- Excavation of ancient shipwreck in the Arabian Sea
	Alok Tripathi
1251	The physical protection of a 17th century VOC shipwreck in Sri Lanka
	M. R. Manders, W. M. Chandraratne, A. M. A. Dayananda, R. Muthucumarana, K. B. C. Weerasena and K. D. P. Weerasingha
1256	An ancient harbour at Dwarka: Study based on the recent underwater explorations
	A. S. Gaur, Sundaresh and Sila Tripati
1261	Ancient anchors off Tamil Nadu coast and ship tonnage analysis
	N. Athiyaman and P. Jayakumar
1268	Australian underwater heritage at sea and abroad
	Michael McCarthy
1276	The iconographic evidence for maritime activities in the Middle Ages
	Joe C. Flatman

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RESEARCH ARTICLE

1283	Electroabsorption spectroscopy: A versatile tool to measure optical nonlinearities
	W. D. R. Joseph, N. R. Pradhan, Suneel Singh and D. Narayana Rao

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RESEARCH COMMUNICATIONS

1288	A study of fluctuation in radon concentration behaviour as an  earthquake precursor
	Kaushik Majumdar
1293	Room temperature 57Fe Mössbauer characteristics of chromites from  the Nuggihalli schist belt, Dharwar craton, southern India
	Maibam Bidyananda and Sachinath Mitra
1297	Malaria epidemicity of Mewat region, District Gurgaon, Haryana,  India: a GIS-based study
	Aruna Srivastava, B. N. Nagpal, Rekha Saxena, T. C. Wadhwa, Shiv Mohan, Gyanendra Pal Siroha, Jitendra Prasad and S. K. Subbarao
1304	Aerosols in northeast Arabian Sea during the Indian winter monsoon: a study using sunphotometer measurements
	Indrani Das, A. K. Shukla and Mannil Mohan
1308	Estimation of ground insolation using METEOSAT data over India
	S. Kimothi, B. K. Bhattacharya, P. D. Semalty, V. K. Pandey and V. K. Dadhwal
1312	Kolleru lake is vanishing -- a revelation through digital processing of IRS-1D LISS-III sensor data
	K. Nageswara Rao, G. Murali Krishna and B. Hema Malini
1316	Identification of conservation priority sites using remote sensing and GIS -- A case study from Chitteri hills, Eastern Ghats, Tamil Nadu
	D. Natarajan, S. John Britto, B. Balaguru, N. Nagamurugan, S. Soosairaj and D. I. Arockiasamy
1323	Ash layer at ~ 8 Ma in ODP Site 758 from the Bay of Bengal: evidence from Sr, Nd isotopic compositions and rare earth elements
	V. M. Padmakumari and S. M. Ahmad

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BOOK REVIEWS

1326	Images and Contexts. The Historiography of Science and Modernity in India by Dhruv Raina
	reviewed by Sumit Bhaduri
1328	Quality Standards of Indian Medicinal Plants by A. K. Gupta
	reviewed by K. R. Shivanna

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ADVERTISEMENTS

1329	Indian Academy of Sciences, Bangalore
1330	Ministry of Science & Technology
1331	Birbal sahni institute of palaeobotany
1332	UNIVERSITY OF PUNE
1333	Indian veterinary research institute
1334	Bharatidasan university
1334	SAURASHTRA UNIVERSITY
1335	Aryabhatta research institute of observationAL sciences
1335	Aryabhatta research institute of observationAL sciences
1336	birla INSTITUTE of technology
1336	ANNA UNIVERSITY
1337	Institute of Genomics and Integrative Biology
1337	bhopal memorial hospital and research centre
1338	Institute of life sciences
1338	Institute of life sciences
1339	sdm COLLEGE OF engineering & Technology