Sunday's earthquake, 420 km south of Port Blair in the Andaman and Nicobar islands, was felt in certain parts of Chennai and others on the eastern coast. "It is very simple," said R.K. Chadha,
Solar distillation is an age old practice. But Terry Thomas of Kerala has devised a simple and inexpensive apparatus which can supply a family's daily potable water needs for just Rs.3000. The simple
Nitrogen Oxides produced by huge fires and fossil fuel combustion are a major component of air pollution.They are the primary ingredients in ground-level ozone, a pollutant harmful to human health
On the site of a former hat factory in Danbury, Connecticut, a stand of genetically altered cottonwood trees sucks mercury from the contaminated soil.Across the continent in California, researchers
From fossils of thecamoebians, scientists know that Uttarkashi and Kedarnath areas in Uttaranchal were once covered by glacial lakes. This group of Thecamoebians are predominantly found in arctic ice
Thousands of marine species are at risk from global warming because of acidification of the world's oceans, scientists said. Britain's Royal Society said in a report that the seas were currently
Scientists at a Pune lab have found a way of producing cheap and clean drinking water from contaminated water by using a membrane as filter. The device does not depend on electricity as most other
Thousands of marine species are at risk from global warming because of acidification of the world's oceans, scientists said. Britain's Royal Society said in a report that the seas were currently
