Deep, gigantic cracks in the Earth known as gullies are tearing through African cities, swallowing up houses and streets, destroying infrastructure and displacing tens of thousands of people. Left unchecked, this new geological hazard could force millions of people to abandon their homes in the coming decades.
The growing threat of vast ravines swallowing streets and homes
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HighlightsFree Dark Web Monitoring Stamps the $17 Million Credentials Markets
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HighlightsSmart buildings: What happens to our free will when tech makes choices for us?
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AppsScreenshots have generated new forms of storytelling, from Twitter fan fiction to desktop film
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HighlightsDarknet markets generate millions in revenue selling stolen personal data, supply chain study finds
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SecurityPrivacy violations undermine the trustworthiness of the Tim Hortons brand
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Featured HeadlinesWhy Tesla’s Autopilot crashes spurred the feds to investigate driver-assist technologies – and what that means for the future of self-driving cars
