Contents

IN THIS ISSUE

236	In this issue

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GUEST EDITORIAL

237	Foretelling the monsoon: Freedom and responsibility
	Sulochana Gadgil and J. Srinivasan

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CORRESPONDENCE

239	India’s contribution to science
	Anuradha Ravi
239	The future of postdocs
	A. Muthusamy and P. Mariappan
241	CSIR/UGC (NET) exams suppress research enthusiasts
	S. Nilavu
241	The American patent model
	T. N. Narasimhan
242	Citation web-crawler, Google Scholar
	Jitendra Narayan Dash
242	Hair sheep
	B. V. Nimbkar
243	Phenology and climate change
	Monika Koul Moza and A. K. Bhatnagar
244	Need for reassessment in the post-tsunami scenario
	A. S. Subrahmanyam and K. S. R. Murthy
245	Why is homopterophagous butterfly, Spalgis epius (Westwood) (Lepidoptera: Lycaenidae) amyrmecophilous?
	M. G. Venkatesha
246	Sethusamudram shipping canal project and the eternal silence of the Indian earth scientists
	C. P. Rajendran

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NEWS

247	Cholera: The scourge of India and Bangladesh
	Minakshi De
248	Aswathanarayana receives AGU award
248	Towards a tsunami warning system in the Indian Ocean
	G. D. Gupta

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RESEARCH NEWS

250	Hunting for pentaquarks
	B. Ananthanarayan, Ekta Makhija and K. Shivaraj

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COMMENTARY

252	Organic farming vis-à-vis modern agriculture
	Rajendra Prasad

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254	From the archives

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TECHNICAL NOTES

255	Development and experimental investigations of extrinsic Fabry–Pérot interferometric sensor-bonding techniques for strain measurement in concrete and metallic structures
	Subhash Chander Jain, Nahar Singh, J. K. Chhabra, Veto Varma, J. J. Charan, K. K. Vaze, A. K. Aggarwal, H. S. Kushwaha, S. C. Dhawan and R. P. Bajpai

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SCIENTIFIC CORRESPONDENCE

257	Mycorrhizal fossil fungi from the Miocene sediments of Mizoram, Northeast India
	R. K. Kar, B. D. Mandaokar and Ratan Kar
259	Occurrence and intensity of some parasites in five sturgeon species (Chondrostei: Acipenseridae) southwest of Caspian Sea
	M. Sattari and B. Mokhayer

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GENERAL ARTICLE

264	Current status of ethnomedicinal plants in the Darjeeling Himalaya
	D. R. Chhetri, Deewa Basnet, Po Fong Chiu, Sujata Kalikotay, Gagan Chhetri and Sippy Parajuli

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REVIEW ARTICLE

269	Anti-HIV natural products
	Inder Pal Singh, Sandip B. Bharate and K. K. Bhutani

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RESEARCH ARTICLES

291	Temporal and intra-plant variability of Cry1Ac expression in Bt-cotton and its influence on the survival of the cotton bollworm, Helicoverpa armigera (Hübner) (Noctuidae: Lepidoptera)
	K. R. Kranthi, S. Naidu, C. S. Dhawad, A. Tatwawadi, K. Mate, E. Patil, A. A. Bharose, G. T. Behere, R. M. Wadaskar and S. Kranthi
299	Comparative studies on trace metal geochemistry in Indian and Chinese rivers
	Rengasamy Alagarsamy and Jing Zhang

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SPECIAL SECTION: CHROMOSOMES TO FOOD SECURITY

310	The M. S. Swaminathan I know
	Bruce Alberts
312	Chemical mutagenesis: From plants to human
	A. T. Natarajan
318	Oxygen effect in radiation biology: Caffeine and serendipity
	P. C. Kesavan
329	Biochemical mechanisms of initiation and termination of plasmid DNA replication
	Deepak Bastia
335	Chromosome aberrations: Plants to human and Feulgen to FISH
	A. T. Natarajan
341	Mutants dissecting development and behaviour in Drosophila
	Adita Joshi, Shanti Chandrashekaran and R. P. Sharma
353	Mutagenesis: Investigating the process and processing the outcome for crop improvement
	V. L. Chopra
360	Cytogenetics for dosimetry in cases of radiation accidents and assessing the safety of irradiated food material
	A. T. Natarajan and P. C. Kesavan
366	BOOK REVIEW: Scientist and Humanist: M. S. Swaminathan. R. D. Iyer; The Man Who Harvests Sunshine – The Modern Gandhi: M. S. Swaminathan. Andréi Erdélyi; Toward a Hunger-Free World: Life and Work of M. S. Swaminathan. Anwar Dil (ed.), Science and Agriculture: M. S. Swaminathan and the Movement for Self-Reliance. S. Ramanujam et al. (eds), reviewed by T. N. Ananthakrishnan

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RESEARCH COMMUNICATIONS

368	Analysis of string-searching algorithms on biological sequence databases
	S. S. Sheik, Sumit K. Aggarwal, A. Poddar, B. Sathiyabhama, N. Balakrishnan and K. Sekar
374	Compositional symmetry of DNA duplex in bacterial genomes
	Sujit Kumar Verma, Debojyoti Das, Siddharatha Sankar Satapathy, Alak Kumar Buragohain and Suvendra Kumar Ray
384	Evaluation of heat acclimation and salicylic acid treatments as potent inducers of thermotolerance in Cicer arietinum L.
	Usha Chakraborty and Cyaria Tongden
389	Nitrogen resorption in leaves of tree and shrub seedlings in response to increasing soil fertility
	S. P. Singh, Kiran Bargali, Asha Joshi and Smita Chaudhry
396	Estimation of groundwater recharge through neutron moisture probe in Hayatnagar micro-watershed, India
	Ramesh Chand, N. C. Mondal and V. S. Singh

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BOOK REVIEWS

401	Empire of the Stars. Friendship, Obsession and Betrayal in the Quest for Black Holes by Arthur I. Miller
	reviewed by Sreeram Chaulia
402	Insect Neuroendocrines by V. B. Awasthi
	reviewed by D. Muraleedharan
402	Stress: From Burnout to Balance by Vinay Joshi
	reviewed by C. C. Kartha

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COVER

Paracentric inversion in the chromosome of a human lymphocyte. Background: Gamma-garden setup. See special section. The editor thanks P. C. Kesavan, M. S. Swaminathan Research Foundation, Chennai and A. T. Natarajan, Leiden University Medical Center, Leiden for agreeing to be guest editors for the special section.

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