Contents

IN THIS ISSUE

268	In this issue

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CORRESPONDENCE

269	Nobel mission
	Om P. Sharma
270	Back to the future II
	G. Prathap
270	Nypa fruticans needs more conservation efforts
	V. Venkateswara Sarma
270	Science and faith
	N. Panchapakesan
271	Conservation awareness and research to protect rare plants
	Govindasamy Agoramoorthy

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NEWS

272	Emergence of the tenth planet
	R. N. Singh and A. K. Singh
273	Genes and their promoters
	Papiya Bhattacharya
275	Biodiversity and indigenous knowledge system
	A. K. Das and S. P. Shukla
276	Open access and developing countries
	Barbara Kirsop
277	Mathematical finance
	M. K. Ghosh

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RESEARCH NEWS

279	Do Damascus swords reveal India’s mastery of nanotechnology?
	C. Srinivasan

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COMMENTARY

281	Pernicious descriptions of ‘new’ frogs from the Western Ghats, India
	Karthikeyan Vasudevan, M. S. Chaitra and R. K. Aggarwal

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OPINION

283	Human lymphatic filariasis is not a disease, but a syndrome!
	Shanmugavelu Sabesan

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SCIENTIFIC CORRESPONDENCE

285	Algal biofilms on polythene and its possible degradation
	M. R. Suseela and Kiran Toppo
287	In vitro clonal propagation of Casuarina equisetifolia Forst. from mature tree-derived explants
	Rupali Seth, Shuchishweta Kendurkar and Rajani Nadgauda
290	Calamus – dwindling resources?
	T. N. Manohara, S. N. Ramaswamy and G. R. Shivamurthy
293	Evidence of liquefaction near Baramulla (Jammu and Kashmir, India) due to the 2005 Kashmir earthquake
	R. N. Sahoo, D. V. Reddy and B. S. Sukhija
295	Was Yangtze Craton, South China attached to the Trans-Aravalli block of the NW Indian shield during Late Proterozoic?
	Naresh Kochhar

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GENERAL ARTICLES

298	Nonlinear magneto-optical rotation – A possible tool for sensitive magnetometry
	R. Srinivasan
308	Sustainable mountain development: The Himalayan tragedy
	P. S. Ramakrishnan

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REVIEW ARTICLE

317	Biological nitrogen fixation with non-legumes: An achievable target or a dogma?
	S. P. Saikia and Vanita Jain

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RESEARCH ARTICLES

323	Carbon sequestration: estimation of carbon stock in natural forests using geospatial technology in the Eastern Ghats of Tamil Nadu, India
	A. Ramachandran, S. Jayakumar, R. M. Haroon, A. Bhaskaran and D. I. Arockiasamy
332	Studies on elephant tusks and hippopotamus teeth collected from the early 17th century Portuguese shipwreck off Goa, west coast of India: Evidence of maritime trade between Goa, Portugal and African countries
	Sila Tripati and Ian Godfrey

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RESEARCH COMMUNICATIONS

340	Epidemiological studies of pesticide-exposed individuals and their clinical implications
	Kaiser Jamil, G. Prabhavathy Das, Abjal Pasha Shaik, Sunita S. Dharmi and Sudha Murthy
345	Simulation of Antarctic sea ice
	Amitabh Mitra and I. M. L. Das
350	Evidences for microbial involvement in the genesis of speleothem carbonates, Borra Caves, Visakhapatnam, India
	Sushmitha Baskar, R. Baskar and Anubha Kaushik
355	Are nitrate concentrations in leafy vegetables within safe limits?
	Anjana, Shahid Umar, Muhammad Iqbal and Y. P. Abrol
361	Genetic transformation of Terminalia chebula Retz. and detection of tannin in transformed tissue
	B. Shyamkumar, C. Anjaneyulu and C. C. Giri
367	Luminescence studies on the sediments laid down by the December 2004 tsunami event: Prospects for the dating of palaeo tsunamis and for the estimation of sediment fluxes
	M. K. Murari, H. Achyuthan and A. K. Singhvi
371	A season-wise estimation of total dissolved solids from electrical conductance and silica in ground waters of upper Gunjanaeru River basin, Kadapa district, Andhra Pradesh
	N. Janardhana Raju
376	Role of glaciers and snow cover on headwater river hydrology in monsoon regime – Micro-scale study of Din Gad catchment, Garhwal Himalaya, India
	Renoj J. Thayyen, J. T. Gergan and D. P. Dobhal
383	Disastrous landslide episode of July 2005 in the Konkan plain of Maharashtra, India with special reference to tectonic control and hydrothermal anomaly
	S. S. Thigale and Bhavana Umrikar

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BOOK REVIEWS

387	DNA: The Secret of Life by James D. Watson and Andrew Berry
	reviewed by Suvendra Kumar Ray
388	Annual Review of Pharmacology and Toxicology. 2006. Arthur K. Cho et al. (eds)
	reviewed by Prasanna Venkatraman

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HISTORICAL NOTES

390	Fifty years of the metric system in India and its adoption in our daily life
	Bhupati Chakrabarti

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COVER CAPTION

COVER.  Elephant tusks recovered from the shipwreck off Sunchi Reef.  See page 332.

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