Issue Date: Sep 15, 1999
David Smith, a British chemical physicist, and Patrick Spanel, a Prague-based physicist, have developed a device that can diagnose ailments from the smell of compounds found in the breath of the afflicted. The device, known as selected ion flow tube (SIFT), was demonstrated at a recent meeting of the American Chemical Society held in Boston, USA. SIFT can analyse a puff of breath for trace gases that signal diabetes, kidney failure, ulcers and, possibly, even cancer.
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