But in the last 20 years since the tsunami, Great Andamanese tribes - among the most threatened Particularly Vulnerable Tribal Groups (PVTGs) - have doubled from an estimated 35 before tsunami to ...

Otherwise, the hostile islanders were largely left alone until the mid 20th century, though Portman conducted anthropological research on other Andamanese tribes (seen below). A decade later ...

The motive behind the brutal actions of a secluded tribe disconnected from modern civilization may be rooted in their island's history, experts say. Thought to be one of Earth's last uncontacted ...