Dediu Newsletter Vol. 3, N. 6 (30), 6 May 2019: Monthly news, reviews, comments and suggestions for a better and wiser world

April 2019 started with World Health Day on 7th, and there are many good medical news, as well as other good news: a new wearable sensor monitors health through sweat, using nanotech; using AI, IBM helped NASA fix one of its satellites, which is on a geosynchronous equatorial orbit; Comcast and T-Mobile launched anti-robocalling feature; Amazon has new investments in air cargo transport companies; researchers found that nanomaterial helps heal damage after a heart attack.In this 6h newsletter of the third volume, the 30th in total, we included the most relevant news, in a balanced approach, usually directly from the source, to help the general public better understand the realities around us. We included also several nice photos. Being well and correctly informed is a sine qua non requirement for everybody, in order to make the right decisions for the future.Enjoy this newsletter and be optimist!