Issue Date: Nov 15, 1997
colour is all when it comes to mating. The cichlid species of fish depend on the ability to distinguish colours for mate selection. But eutrophication of the Great Lakes in Africa -- their habitat -- has limited their breeding, affecting their evolution, according to studies by researchers at the Institute of Evolutionary and Ecological Sciences, University of Leiden, The Netherlands ( Science , Vol 277, No 5333).
Recent Supreme Court order in Vedanta case holds hope for tribal community life
Butterflies on the roof of the world is a vivid and engaging narrative of the author's rendezvous with the butterflies and moths in particular, and nature in general