Bill Gates tells how India wiped out polio
https://youtu.be/MBchdYVDvDw From Bill Gates's blog: https://www.gatesnotes.com/Health/Meeting-the-Musahar
https://youtu.be/MBchdYVDvDw From Bill Gates's blog: https://www.gatesnotes.com/Health/Meeting-the-Musahar
http://blogs.discovermagazine.com/d-brief/2018/11/27/we-can-now-look-inside-of-stars-with-artificial-intelligence-and-sound-waves/#.XWmPqZNKjUI