One of the major tribal groups in Tamil Nadu, the population of the Irula tribe is 105,759 (Census of India, 1981). Some of them also live in Kerala and Karnataka. In Tamil Nadu, their concentration
All over the world sperm count in humans has declined by over 50 per cent in the last 30 years. In India, studies involving more than 1600 men, both fertile and infertile, over the past 15 years have
Depletion of micronutrients such as copper and molybdenum from the soil leads to poor food quality and micronutrient deficiency in humans. The most common deficiency is that of zinc, copper and
Participants at the session dealing with radiology at the conference, including A Gopalakrishnan, a former chairperson of Atomic Energy Regulatory Board (AERB), criticised the Department of Atomic
Research by the School of Environmental Studies (SES), Jadavpur University, Calcutta, has revealed that the tubewell of a single rural water supply scheme in Malda in West Bengal had pumped
The Green Revolution has greatly contributed to the spread of Japanese encephalitis. Professor T Jacob John, professor of eminence at Christian Medical College, Vellore, in tracing its detection in
A participant at the conference narrated the story of two doctors who were walking by a river. They saw a man floating down the river. One of them rushed in, dragged him out, and immediately gave him
Yields from the rice-wheat cropping system in the Indo-Gangetic plain are declining despite the increasing use of chemical fertilizers. Crop residues are important components of soil fertility management, but are burnt in some areas such as Punjab state.
