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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.

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.