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Cultural pressures are slowly decimating Mexico's rich heritage of indigenous languages. The 200 languages and dialects spoken in Mexico when it was overrun by Spanish colonisers 5 centuries ago have

THE heat wave that sent a large part of North India to the sick bed proved to be an occasion for joy to farmers in the Punjab-Haryana belt: it melted snow at the sources of the rivers in the

The way the earth's plantlife is today has been the result of a unique process of "peaceful transition"

The planned scuttling of the superannuated Brent Spark oil rig sparks off an international protest

A gene transplant has been found to induce homosexual behaviour in male fruit flies

The first tremors of ego clashes have rattled the anti Tehri dam movement

India is sitting on a "tuberculosis (tb) time bomb", says the World Health Organization (who), 1995 report on the tb epidemic. About half the adult population in the country is reportedly suffering

Teak is found in the tropical, moist regions with heavy rainfall, and are thickly forested. Felling of teak trees in this region results in a replacement by Xylia xylocarpa. And teak never reinvades

Diabetes can take the life out of life

Fresh research advances the date of human ancestors