Editors' Page

Lead Articles/Overviews of New Developments

Hairy roots – A novel source for plant products and improvement

V. A. Bapat and T. R. Ganapathi...61

A practicable and pliable synthetic strategy for heterocalixarenes and related receptors through heterocyclic transformations

Subodh Kumar, Prabhpreet Singh and Harjit Singh...71

Molecular basis of odour recognition and organisation of the olfactory system –Trends and prospects

S.C. Parija and B.P. Mohanty...83

Effects of air pollution on agriculture : An issue of national concern

Madhoolika Agrawal...93

Short Research Communications

Effect of Elettaria cardamomum (Maton) on oral microbial populations in vitro

A. Tiwari and M.U. Charaya...107

Regularity and chaos in stellar variability

Neenu Gupta and L.M. Saha...109

Remarks on Sarkhel’s comparison of Banach and Kannan contractions

S. L. Singh...117

Rheological properties of an exopolysaccharide produced by a marine Enterobacter cloacae

Anita Iyer, Kalpana Mody and Bhavanath Jha...119

Influence of aging on plasma ascorbate level

Shivsharan Singh, Rahul Saxena and A. Miltan Lal...125

Academy News

Platinum Jubilee Celebrations of The National Academy of Sciences, India

...129

Science Communication Activities on the eve of National Science Day

...131