Contents

IN THIS ISSUE

260	In this issue

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EDITORIAL

262	Training research students
	P. Balaram

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CORRESPONDENCE

263	Motivate students for science communication
	Dilip M.Salwi
264	The human face of MNCs
	Parth R. Das Gupta
264	Current Science: A vibrant and lively journal
	C. N. Srinath
264	On those heavenly pathogens...
	Manoj Komath
	Response: Fred Hoyle and Chandra Wickramsinghe

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NEWS

266	The Inter-Academy Panel and the Inter-Academy Council
	P.N. Tandon
268	Plant genome initiatives in India
	Nirupa Sen

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MEETING REPORTS

270	Indian Geological Congress
	P.S. Ranawat

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RESEARCH NEWS 

271	Asymmetry Pins Inscuteable
	Deepa Subramnyam
274	Global ice cover - A Neoproterozoic puzzle
	A. V. Sankaran

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OPINION

278	Inclusion of Taxaceae in a separate order, Taxales
	D. D. Pant

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COMMENTARY

280	Defining bio-diversity resources
	Madhav Gadgil

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SCIENTIFIC CORRESPONDENCE

283	Decadal variation of sea surface temperatures, cloudiness and monsoon depressions in the north Indian ocean
	M. Rajeevan, U. S. De and R. K. Prasad
286	Detection of bacteriocinogenic strains of Cicer-Rhizobium modified simultaneous antagonism method
	J. Nirmala and Y. D. Gaur
287	The hottest chilli variety in India
	Ritesh Mathur, R. S. Dangi, S. C. Dass and R. C. Malhotra
289	Why are undergound flowering and fruiting more common in Isreal than anywhere else in the world?
	Simcha Lev-Yadun

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GENERAL ARTICLES

290	Mind and matter: The question of primacy
	P. R. Masani
302	Education for agriculture in India: Time for change
	Suresh K. Sinha
310	Whale shark in the Indian coast - Need for conservation
	P. Pravin

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REVIEW ARTICLE

316	Impact of environmental nutrient loading on the structure and functioning of terrestrial ecosystems
	K. P. Singh and S. K. Tripathi

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SPECIAL SECTION: MICROGRAVITY MATERIALS SCIENCE

324	Background and current ISRO initiatives in microgravity research programme
	S.C. Chakravarty and S. Chandrasekharan
326	Solidification of silver-germanium alloys under microgravity conditions
	P. Ramachandrarao
328	Trends and opportunities in basic research in microgravity materials processingl
	K. Chattopadhyay
334	Liquid phase sintering in microgravity
	A.Tiwari
336	Microgravity research platforms - A study
	V. A. Thomas, N.S. Prasad and C. Ananda Mohan Reddy
341	Materials science research in microgravity - Current status and an experimental case study
	Brij K. Dhindaw
348	Ceramic dielectrics for space applictions
	T. Asokan
352	Microgravity research programme - Announcement of opportunities

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RESEARCH ARTICLES

353	Significance of phenologically asynchronous populations of the central Himalayan oaks in drought adaptation
	Surendra P. Singh, Ashish Tewari, Shrish K. Singh and Girish C. Pathak
358	Mechanism of triggered seismicity at Koyna: An evaluation based on relocated earthquakes
	Kusala Rajendran and C. M. Harish

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RESEARCH COMMUNICATIONS

364	On the fractal nature of Penrose tiling
	P. Ramachandrarao, Arvind Sinha and D. Sanyal
366	Participatory approach in varietal improvement: A case study in finger millet in India
	B.T. S. Gowda, B. H. Halaswamy, A. Seetharam, D. S. Virk and J. R. Witcombe
369	Paradigms of participatory enhancement of rice productivity: Suggestions based on a case study in India
	V. Arunachalam
373	Vegetation and climate in upper Spiti region, Himachal Pradesh during late Holocene
	M. S. Chauhan, R. K. Mazari and G. Rajagopalan
377	Courtship and nesting behaviour of the Malabar gliding frog, Rhacophorus malabaricus (Jerdon, 1870)
	Girish G. Kadadevaru and Ravishankar D. Kanamadi

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BOOK REVIEWS

381	Gems and Gem Industry in India
	reviewed by K. Govinda Rajan
382	The Freshwater Fishes of the Indian Region
	reviewed by  Anuradha Bhat
383	Levels of Selection in Evolution
	reviewed by  K. S. Valdiya

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PERSONAL NEWS

385	S. P. Nautiyal - An obituary
	K. S. Valdiya

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386	ADVERTISEMENTS