Contents

IN THIS ISSUE

1777	In this issue

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GUEST EDITORIAL

1779	Earthquake prediction: a game of chance?
	Kusala Rajendran

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CORRESPONDENCE

1781	Natural calamities and pseudoscientific menace
	Ravinder Banyal and A. J. Saigeetha
1782	Health custodians
	K. Krishna Murthy
1782	Impact factor: Is it dragging science off course?
	Arun K. Shanker and Chitra Shanker
1783	Volcanic ash beds
	L. N. Gupta and Naresh Kochhar; response by S. J. Sangode
1785	Earthquake at Koyna
	Arun Bapat; response by Harsh Gupta et al

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NEWS

1788	Nobel Prize for green chemistry: Stance for a future
	Poovathinthodiyil Raveendran
1790	Energy security to energy independence
	Shailendra Tripathi and L. D. Sharma
1791	EZACBICON
	Minakshi De

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RESEARCH NEWS

1792	Natural radioactivity: Extant and extinct
	K. Gopalan

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SCIENTIFIC CORRESPONDENCE

1795	Diu island: A paradise for tourists and seaweed biologists
	Vaibhav A. Mantri and P. V. Subba Rao
1797	A new Orontobryum Mitt. ex Fleisch. from Darjeeling, eastern Himalayas
	Virendra Nath, A. K. Asthana and Vinay Sahu

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GENERAL ARTICLE

1800	Mangrove stands of Andamans vis-à-vis tsunami
	S. Dam Roy and P. Krishnan

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REVIEW ARTICLES

1805	Enhanced capabilities of IRS P6 LISS IV sensor for urban mapping
	Kshama Gupta and Sadhana Jain
1813	Why hybrid males are sterile in Drosophila?
	Paras K. Mishra and Bashisth N. Singh

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SPECIAL SECTION: EMBRYOLOGY OF FLOWERING PLANTS

1820	Contributions of Panchanan Maheshwari’s school to angiosperm embryology through an integrative approach
	K. R. Shivanna and H. Y. Mohan Ram
1835	Specification and maintenance of the floral meristem: interactions between positively-acting promoters of flowering and negative regulators
	Usha Vijayraghavan, Kalika Prasad and Elliot Meyerowitz
1844	The angiosperm female gametophyte: No longer the forgotten generation
	Vladimir Brukhin, Mark D. Curtis and Ueli Grossniklaus
1853	Pollen cytoskeleton during germination and tube growth
	Giampiero Cai, Cecilia Del Casino, Silvia Romagnoli and Mauro Cresti
1861	In vitro fertilization – a tool to dissect cell specification from a higher plant zygote
	Takashi Okamoto and Erhard Kranz
1870	Androgenic haploids: Factors controlling development and its application in crop improvement
	Swapan K. Datta
1879	Apomixis: An enigma with potential applications
	V. Bhat, K. K. Dwivedi, J. P. Khurana and S. K. Sopory

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RESEARCH ARTICLES

1894	Generation of phase-conjugate wave in acid blue 7 dye-doped gelatin film
	T. Geethakrishnan and P. K. Palanisamy
1899	Synthesis, structure and magnetic properties of a new one-dimensional iron phosphite, [FeIII(1,10-phenanthroline)(HPO3)(H2PO3)]
	Sukhendu Mandal, Mark A. Green and Srinivasan Natarajan
1904	Modelling of methane emissionss from rice-based production systems in India with the denitrification and decomposition model: Field validation and sensitivity analysis
	Y. Jagadeesh Babu, C. Li, S. Frolking, D. R. Nayak, A. Datta and T. K. Adhya

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RESEARCH COMMUNICATIONS

1913	Direct and indirect arsenic release from soaps by unhygienic use in tubewells
	Soumen Dey, Shahana Chatterjee and Sabyasachi Sarkar
1917	Signature of increasing total column water vapour and surface temperature at Maitri, Antarctica
	S. L. Jain, Sachin D. Ghude, B. C. Arya, Ashok Kumar and M. M. Bajaj
1922	Variations in hosting beneficial plant-associated microorganisms by root (wilt)-diseased and field-tolerant coconut palms of West Coast Tall variety
	Murali Gopal, Alka Gupta and R. V. Nair
1927	IWAVE: an ocean simulation model for internal waves
	G. V. Krishna Kumar and P. Balasubramanian
1932	Three-phase tectonic evolution of the Andaman backarc basin
	K. A. Kamesh Raju
1937	Whole-earth decompression dynamics
	J. Marvin Herndon
1941	Climato-tectonic impression on Trans Himalayan lakes: A case study of Kyun Tso basin of the Indus Suture Zone in NW Himalaya using remote sensing techniques
	G. Philip and John Mathew
1947	A record of foraminiferal assemblage in tsunami sediments along Nagappattinam coast, Tamil Nadu
	R. Nagendra, B. V. Kamalak Kannan, C. Sajith, Gargi Sen, A. N. Reddy and S. Srinivasalu

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BOOK REVIEWS

1953	The Story of Asia’s Lions by Divyabhanusinh
	reviewed by T. R. Shankar Raman
1955	Physiological and Ecological Adaptations to Feeding in Vertebrates by J. Matthaias Starck and Tobias Wang (eds)
	reviewed by S. K. Saidapur

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PERSONAL NEWS

1956	John Norris Bahcall (1934–2005)
	Sarbani Basu

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COVER CAPTION

A close-up view of Kyun Tso freshwater lake in NW Himalaya. See page 1941.

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ADVERTISEMENTS

1957	Call for preliminary proposals for establishing new and major programmes in Ferroic Materials
1958	Indian Institute of Remote Sensing
1960	JOINT INDO-FRENCH RESEARCH PROGRAM ENTITLED ‘GENOMICS AND BIOTECHNOLOGY OF FRUIT QUALITY’
1961	Third Indo-Australian Conference on Biotechnology
1962	National Thermal Power Corporation Limited
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1963	TATA INSTITUTE OF FUNDAMENTAL RESEARCH
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1964	Central Salt and Marine Chemicals Research Institute
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