Until now, researchers believed that homo sapiens, the direct descendants of modern man, evolved in Africa about 200,000 years ago and gradually migrated north, through the Middle East, to Europe and Asia.ther scientists have argued that human beings originated in Africa before moving to other regions 150,000 to 200,000 years ago. Homo sapiens discovered in Middle Awash, Ethiopia, from 160,000 years ago were believed to be the oldest 'modern' human beings.
In recent years, the shortened term app (coined in 1981 or earlier) has become popular to refer to applications for mobile devices such as smartphones and tablets, the shortened form matching their typically smaller scope compared to applications on PCs.
Google shows off Duo, its new HD video calling app and answer to Appleâs FaceTime. Posted May 18, 2016 by Ingrid Lunden (@ingridlunden) Google I/O 2016. Some have criticised Google for falling behind when it comes to social networking and new communications services, but the company is now working hard to catch up. Today, the company announced a new video calling app called Duo â a high-definition app for Android and iOS devices.