A person's skin or hair colour is a very poor indicator of genetic ancestry, says a study conducted by scientists at the University of Minas Gerais in Brazil and the University of Porto in Portugal.

Ways to prevent skin ulcers

The state of India's science research

What exactly is lost when a language dies? Do we also lose a biotic world-view, the local knowledge and wisdom of which a language is a repository? Is it a coincidence that areas of linguistic and ethnic

Greenhouse gas emissions from developing countries will likely surpass those from developed countries within the first half of this century, highlighting the need for developing country efforts to reduce the risk of climate change. While developing nations have been reluctant to accept binding emissions targets,

ANTI-MCDONALD'S DAY . October 16, 2002 October 16, 2002 is UN World Food Day. It is also the 18th annual worldwide Anti-McDonald's Day. A day of protest against the

The online exploits of a us couple have landed them in trouble. The husband and wife team of Donald and Mary Davis was selling "public' tracts in the Amazon on the Internet. They enlisted the

It covers 3.8 million hectares (ha) of virgin rainforest, is chock-a-block with primates, birds and reptiles, and is expected to yield hitherto unknown species. These are the vital statistics of the

Brazil is going global with its highly potent anti-aids programme. It will share its know-how in combating the disease with other countries. That the nation has succeeded in cutting its

The Brazilian government will provide about us $2 million to support research in areas such as therapeutic cloning, which involves using cells and tissues from cloned human embryos to replace

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