People of dalit communities in the Gadarwara sub-division of district Narsinghpur in Madhya Pradesh are on the brink of starvation as they are facing harassment, economic sanctions and social boycott because they have refused to remove animal carcasses. A fact finding team of civil society organisations says that dalits at many places have been ‘imprisoned’ in their own houses as all entry and exit points have been blocked by the...

An analysis of Wikipedia entries reveals the world’s knowledge deserts — which may provide a second wave of activity for the online encyclopedia  Are Wikipedia contributors running out of topics to write about? Recently, much has been made of the fact that the growth in the number of new Wikipedia articles has been gradually slowing and the number of volunteers apparently falling. But Wikipedia still has much to do, with...

Manufacturers are using chemical additives to make greener tyres JOHN DUNLOP had a son who complained that his bicycle was bumpy to ride. So he invented the pneumatic tyre in 1888. Various improvements have been made since then. In particular, Pirelli, an Italian tyremaker, introduced steel-belted radial tyres in 1973. These reduced the fuel consumption of cars fitted with them. Now manufacturers are trying to develop tyres that reduce that consumption...

Twenty-five years have passed since that night of terror and death in Bhopal, which saw a cloud of deadly gases explode out of a faulty tank in a pesticide factory and silently spread into the homes of sleeping people. Although no official count of casualties has ever been done, estimates based on hospital and rehabilitation records show that about 20,000 people died and about 5.7 lakh suffered bodily damage, making...

The latest UN environment report based on about 400 major peer-reviewed scientific studies over three years has warned that the threat of climate change could be much worse than predicted earlier. The UNEP Climate Change Science Compendium 2009 report warns that sea levels could rise by up to two metres by 2100 and five to ten times that over following centuries. (See salient features and links below) It says that the...