Issue Date: Dec 31, 2004
the strongest acid: The world's strongest acid, at least a million times more potent than concentrated sulphuric acid, has been made in a lab in California. It is also one of the least corrosive. Called carborane acid, is the first 'superacid' that can be stored in a bottle. The previous record-holder, fluorosulphuric acid, corroded everything. The new acid's 'gentleness' is due to its remarkable chemical stability, says Christopher Reed of the University of California, USA, who is one of the acid's creators.
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