(May 31, (Popular Mechanics))--For 4,500 years, ancient humans kept on coming back to one cave in Ethiopia. It's a roomy enclosure at the base of a limestone cliff, but its natural qualities were only one part of the story.
(May 31, (Quartz))--Ethiopia shut down the internet on Tuesday (May 30) ahead of a scheduled national examination that was due to take place in the country on Wednesday.