IN THIS ISSUE

• 7181 In this issue

• 712 Editorial: Strategic follies, P. Balaram

• 713 Policies for research fellowships and associateships, Subrata Bose

• 713 Solar radiation and atmospheric models control the climatic effects, R. N. Singh; response by H. N. Srivastava and Malti Goel

• 716 Bats of Indian Institute of Science campus, Riki Krishnan and P. Pramod

• 717 Terminator seeds will result in genetic pollution, H. K. Goswami

• 717 Alpha Guard radon survey, Y. S. Mayya; response by H. S. Virk

• 719 S&T budget at a glance

• 719 DRDO institutes ten new award schemes: Awards for 1998 announced

• 719 New concepts in global tectonics, M. I. Bhat

• 722 Kufri Chipsona-2: A new high dry matter potato variety for chipping P. C. Gaur, S. V. Singh, S. K. Pandey, R. S. Marwaha, Devendra Kumar and Dinesh Kumar

• 725 Should the life’s clock be backed by 400 million years? P. K. Kathal

• 726 Amartya Sen and the mathematics of collective choice Bhaskar Dutta

• 730 Fluoride contamination status of groundwater in Karnataka S. Suma Latha, S. R. Ambika and S. I. Prasad

• 735 Magnetic resonance functional neuroimaging: New insights into the human brain, Jens Frahm

• 744 Dynamic magnetic resonance imaging in assessment of tumour blood flow and oxygenation, M. Muruganandham and V. Jain

• 753 Tumour oxygenation measurements by ¹⁹F magnetic resonance imaging of perfluorocarbons, Dominick J. O. McIntyre, Cheryl L. McCoy and John R. Griffiths

• 763 Quantitation of multiple sclerosis lesion volumes on magnetic resonance imaging, Ponnada A. Narayana, Barry J. Bedell and Jerry S. Wolinsky

• 772 ³¹P and ¹H MRS of human cancer, V. L. Doyle, S. J. Barton and J. R. Griffiths

• 777 Assessment of the therapeutic response of human breast carcinoma using in vivo volume localized proton magnetic resonance spectroscopy, N. R. Jagannathan, Mahesh Kumar, P. Raghunathan, O. Coshic, P. K. Julka and G. K. Rath

• 783 Magnetic resonance imaging and spectroscopy of intracranial tuberculomas, Rakesh K. Gupta and Raja Roy

• 789 In vivo ⁷Li and ¹⁹F NMR studies of drugs in the brain, Richard A. Komoroski

• 794 Magnetic resonance, hyperthermia and oncology, Rama Jayasundar, Lawrance D. Hall and Norman M. Bleehen

• 800 Proton magnetic resonance spectroscopic imaging in neurodegenerative diseases, Norbert Schuff, Peter Vermathen, Andrew A. Maudsley and Michael W. Weiner

• 808 Echo planar imaging on high field microimaging systems, Subramaniam Sukumar

• 813 Aspects of DNA assembly: Extension, lithography and recognition, G. V. Shivashankar and A. Libchaber

• 819 Modelling of accelerograms of two Himalayan earthquakes using a novel semi-empirical method and estimation of accelerogram for a hypothetical great earthquake in the Himalaya, Dinesh Kumar, K. N. Khattri, S. S. Teotia and S. S. Rai

• 831 Black hole: Gravitational charge equal to field energy, Naresh Dadhich

• 833 The use of RAPD in assessing genetic variability in Andrographis paniculata Nees, a hepatoprotective drug, P. Padmesh, K. K. Sabu, S. Seeni and P. Pushpangadan

• 836 Broad spectrum antimycotic drug for the control of fungal infection in human beings, Sushil K. Shahi, A. C. Shukla, A. K. Bajaj, G. Medgely and Anupam Dikshit

• 840 Biomass and nutrient dynamics of mistletoe (Dendrophthoe falcata) and neem (Azadirachta indica) seedlings, K. S. T. K. Karunaichamy, K. Paliwal and P. A. Arp

• 843 Fractional Statistics and Quantum Theory, reviewed by Diptiman Sen

• 843 Annual Review of Public Health 1998, reviewed by V. Raman Kutty

• 845 SOFTWARE REVIEW. Extend: Simulation Software, reviewed by Jayant M. Modak