In this issue
p. 0635

Scientific collaboration
p. 0637 | Balaram, P.

Scientists and foreign travel
p. 0638 | Vidyasagar, M.

Animals in research
p. 0639 | Bamji, Mahtab S.; Suresh, Y.

Lopsided view on basic science
p. 0640 | Tiwari, S. C.

Medical research in India
p. 0641 | Thakur, C. P.

Fluoride-free water for all
p. 0641 | Ramakrishnan, T.; Shankar, K. M.

Scientists against nuclear weapons
p. 0642 | Delampady, Mohan

International mathematical olympiads and India
p. 0643 | Yogananda, C. S.

A new model for promoting protein crystallization in solution
p. 0644 | Bagchi, Biman

Progress in interstellar chemistry
p. 0646 | Subrahmanyan, Ravi

On recommending students: The curious case of all students being in the top ten per cent
p. 0647 | Sitaramam, V.

Sustaining development in the developing countries
p. 0652 | Khoshoo, T. N.

Antifungal and insect-repellent activities of essential oil of turmeric (Curcuma longa L. )
p. 0660 | Saju, K. A.; Venugopal, M. N.; Mathew, M. J.

Chemical ecology of certain tropical fruit pulp II: non-zoochoric
p. 0662 | Mandal, Suparna; Brahmachary, R. L.

Synergistic effect of cry1Ac and Cry1F δ-endotoxons of Bacillus thuringiensis on cotton bollworm, Helicoverpa armigera
p. 0663 | Chakrabarti, S. K.; Mandaokar, A. D.; Kumar, Ananda P.; Sharma, R. P.

Plant regeneration from mature leaves and roots of Eryngium foetidum L., a food flavouring agent
p. 0664 | Arockiasamy, S.; Ignacimuthu, S.

Use of animals in research
p. 0667 | Nand, Nitya

Insect gall systems: Patterns, processes and adaptive diversity
p. 0672 | Ananthakrishnan, T. N.

Fertilizer urea, food security, health and the environment
p. 0677 | Prasad, Rajendra

Shortage of nutrients in bacteria: The stringent response
p. 0684 | Mukherjee, Tapan K.; Raghavan, Arvind; Chatterji, Dipankar

Engineering crops for tolerance against abiotic stress through gene manipulation
p. 0689 | Grover, Anil; Pareek, Ashwani; Singla, Sneh Lata; Minhas, Deepika; Katiyar-agarwal, Surekha; Ghawna, Sanjay; Dubey, Himanshu; Agarwal, Manu; Rao, Gadde U.; Rathee, Jitesh; Grover, Anita

cDNA cloning and characterization of a proline (or hydroxyproline) -rich protein from Santalum album L.
p. 0697 | Bhattacharya, Anirban; Sita, G. Lakshmi

Stratigraphical, palaeogeographical and palaeoenvironmental significance of fossil calcareous algae from Nimar Sandstone Formation, Bagh Group (Cenomanian-Turonian) of Pipaldehla, Jhabua Dt, MP
p. 0702 | Kundal, P.; Sanganwar, B. N.

Scalability of the parallel GCM-T80 code
p. 0709 | Venkatesh, T. N.; Sivaramakrishnan, Rajalakshmy; Sarasamma, V. R.; Sinha, U. N.

Thermodynamic analysis of deterioration of marble and cement buildings functioning as habitat for terrestrial algae
p. 0713 | Shrivastav, Rohit

Mechanism of ATP synthesis by protonmotive force
p. 0716 | Rohatgi, Hirdesh; Saha, Anjanabha; Nath, Sunil

Blood flow analysis through complex microvessels by digital image velocimetry
p. 0719 | Singh, Swaroop S.; Singh, Megha

Occurrence of reovirus in oak tasar silkworm Antheraea proylei
p. 0724 | Varatharajan, R.; Sudhakar, S.; Reeta, L.; Singh, N. Ibohal; Mathavan, S.

Relative fall in sea level in parts of southern Karnataka coast
p. 0727 | Subrahmanya, K. R.

Radiocarbon dated sedimentation record up to 2 ka BP on the inner continental shelf off Mangalore, south-west coast of India
p. 0730 | Pandarinath, K.; Narayana, A. C.; Yadava, M. G.

Mapping the Landscape - National Biomedical Research Outputs 1988-95
p. 0733 | Arunachalam, Subbiah

The Gymnosperms
p. 0733 | Pant, D. D.

Annual Review of Phytopathology 1997
p. 0734 | Shetty, H. Shekar

Jyotirmoy Das, An obituary
p. 0736 | Bhaduri, A. N.; Burma, D. P.

S. K. Manchanda, An obituary
p. 0737 | Kumar, V. Mohan

Professor Bawa Kartar Singh: A pioneer in stereochemistry in India
p. 0738 | Virk, H. S.

National Centre for Biological Sciences - Post-Doctoral Fellowship in Neurophysiology
p. 0739