"They are almost certain not to understand what the plane is -- perhaps a spirit or a large bird." May 29, 2008 5:18 PMSubscribe
"Skin painted bright red, heads partially shaved, arrows drawn back in the longbows and aimed square at the aircraft buzzing overhead. The gesture is unmistakable: Stay Away. The apparent aggression shown by these people is quite understandable, for they are members of one of Earth's last uncontacted tribes." The unnamed tribe is just one of dozens around the world (though most are located primarily in the depths of the Amazon basin). The discovery comes at a time of increased pressure on these isolated cultures to surrender their lands and resources to loggers and oil drillers, as well as the diseases and other troubles they carry. And while advocacy groups like Survival International campaign to prevent damaging encounters -- ranging from deforestation and urban encroachment to radical "human safari" ecotours -- even the most well-intentioned first contacts can result in violence and death.