In this Issue
p. 1625

Reflections on an Apology
p. 1627 | Balaram, P.

Chaos in higher education
p. 1629 | Gupta, Y. K.

Scientific communication: A viewpoint
p. 1629 | Barthwal, Brijesh

Why do not medical graduates join programmes in hard sciences?
p. 1630 | Ramani, S.

Relative yields of the Pokhran and Chaghai nuclear explosions
p. 1631 | Chanillo, Sagun

Relative yields of the Pokhran and Chaghai nuclear explosions by Sagun Chanillo(Reply)
p. 1631 | Gupta, Harsh K.

Conducting polymers: Nobel Prize in Chemistry, 2000
p. 1632 | Menon, Raghu

The first light at the Indian Astronomical Observatory, Hanle, Ladakh
p. 1635

Aperiodic-2000
p. 1637 | Pramanick, A. K.; Mukhopadhyay, N. K.

Gene targeting: Exciting breakthroughs in flies and mammals
p. 1638 | Patel, Hina; Sinha, Pradip

From the archives
p. 1643

Precision farming: The emerging concept of agriculture for today and tomorrow
p. 1644 | Mandal, Debashis; Ghosh, S. K.

Further evidence for the absence of automatic and intra-flower self-pollination in periwinkle
p. 1648 | Sreevalli, Y.; Kulkarni, R. N.; Kumar, Sushil; Baskaran, K.

Flowering incidences and breeding system in Bambusa vulgaris
p. 1650 | Koshy, K. C.; Harikumar, D.

Scandium potential of some ixiolite-bearing pegmatites and tin slag of Bastar district, Madhya Pradesh, India
p. 1652 | Somani, O. P.; Sinha, R. P.; Banerjee, D. C.

Electrochemical supercapacitors: Energy storage beyond batteries
p. 1656 | Shukla, A. K.; Sampath, S.; Vijayamohanan, K.

Better living through 'Sustainable green chemistry'
p. 1662 | Sanghi, Rashmi

Cancer modulation by glucosinolates: A review
p. 1665 | Das, Srinibas; Tyagi, Amrish Kumar; Kaur, Harjit

Heparinoid-active sulphated polysaccharides from marine algae as potential blood anticoagulant agents
p. 1672 | Shanmugam, M.; Mody, K. H.

HIV-1 protease tethered heterodimer-pepstatin-A complex: NMR characterization
p. 1684 | Panchal, S. C.; Pillai, Bindu; Hosur, M. V.; Hosur, R. V.

Utility of GPS in classification accuracy assessment
p. 1696 | Behera, Mukunda Dev; Jeganathan, C.; Srivastava, Shalini; Kushwaha, S. P. S.; Roy, P. S.

Photodegradation of azadirachtin-A: A neem-based pesticide
p. 1700 | Dureja, P.; Johnson, Sapna

Association of a tospovirus with sunflower necrosis disease
p. 1703 | Jain, R. K.; Bhat, A. I.; Byadgi, A. S.; Nagaraju; Singh, Harvir; Halkeri, A. V.; Anahosur, K. H.; Varma, A.

Pollination biology in Bombax ceiba Linn.
p. 1706 | Bhattacharya, Ashoke; Mandal, Sudhendu

Tree ring analysis of Larix griffithiana from the Eastern Himalayas in the reconstruction of past temperature
p. 1712 | Chaudhary, Vandana; Bhattacharyya, A.

Organic manuring in rice-based cropping system: Effects on soil microbial biomass and selected enzyme activities
p. 1716 | Dinesh, R.; Dubey, R. P.; Ganeshmurthy, A. N.; Prasad, G. Shyam

Isotopic fractionation of Ni60/Ni61 in kerogen and bitumen samples
p. 1720 | Dewakar; Mishra, K. N.; Chandra, Kuldeep; Arunachalam, J.; Karunasagar, D.

Coral bleaching and mortality in three Indian reef regions during an El Niño southern oscillation event
p. 1723 | Arthur, Rohan

Advances in Photosynthesis - Photosynthesis: Physiology and Metabolism
p. 1730 | Mohanty, Prasanna

Plant Galls of India
p. 1731 | Raman, A.

Twenty-five years of Mahabaleshwar seminars in modern biology
p. 1734 | Johri, M. M.

Acknowledgements
p. 1735

Institutional Members
p. 1738

Bhramara Trust-Prof. Y.T. Thathachari Prestigious Research Award for Science
p. 1740

Wadia Institute of Himalayan Geology
p. 1741

Call for Proposals Indo-US Programme on Contraceptive and Reproductive Health Research
p. 1742

Planetary Research Programme-Call for Proposals and Workshop/Training Course
p. 1743

Bhabha Atomic Research Centre-Ph.D. Programme in Chemical Sciences
p. 1745

Sree Chitra Tirunal Institute for Medical Sciences and Technology
p. 1746