A major international row with wide-ranging implications for global drugs policy has erupted over the right of Bolivia's indigenous Indian tribes to chew coca leaves, the principal ingredient in cocaine.

Two hundred years ago, the Pacahuara tribe was one of the main indigenous groups in Bolivia.
But in a few years their language and culture could vanish forever as the last members of the tribe die out without having passed their knowledge on to a new generation.

When the Terraba tribe in Costa Rica rallied to oppose a hydroelectric dam they feared would destroy their land and their centuries-old culture, the indigenous community took a modern approach.
They linked up with journalism students at Elon University in North Carolina, who built a website describing the tribe's way of life, including how it makes use of medicinal plants.

CHITUNGWIZA – Some Zengeza residents on Tuesday begged the popular Prophet Emmanuel Makandiwa to dispose of the clay pot that remained unaffected by the mysterious blast that claimed five lives in the area on Monday afternoon.

Human safaris to see the Jarawa tribe of the Andaman Islands have finally come to an end as the authorities there bow to domestic and international pressure.