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Drones

Flying high: Brazilian tribe keeps watch over forest with drones

Visitors to the Uru-Eu-Wau-Wau, an indigenous tribe living deep in Brazil's Amazon rainforest, must first request permission by email, which is printed out and hand-delivered to local leaders. Yet while just one of the tribe's nine villages is connected to the outside world via precarious radio-based wifi, other technology is being deployed to protect their remote forests from invaders.

TECH

Big Brother-style surveillance gives new insight into Amazon’s hidden wildlife

Scientists are deploying ultra-sensitive sensors in the Amazon to collect images and sounds of the rainforest’s rich biodiversity in real time, in an effort to track preservation efforts.

TECH

Forgotten by telecoms, Mexico town runs cell service

Left out by telecom firms like the one owned by billionaire Carlos Slim, a remote Mexican mountain village now runs its own mobile phone network to communicate with the outside world.