The world's first solar-powered funicular, a type of cable railway, has started operating between Italy's Livorno town and the Montenero sanctuary. Photo
Environmental experts have criticised the US navy for its plant to use low frequency active (LFA) sonar widely used around the world. The navy's application is under the review of the US National
After being instrumental in the eradication of smallpox, D A Henderson , director, Centre for Civilian Biodefence, Johns Hopkins University, USA, finds that changes in the environment are leading to mutations in viruses makin