YouTube description: Using the power of engineering and brilliant inventions to save lives!!! Great times collab-ing with Bill and Melinda Gates! You should check out the Gates Annual Letter here: http://b-gat.es/2lhh... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months 1 week ago • 1,291 views • 8:51What's currently happening in our world?
Created: 1 decade 7 years 3 months 2 weeks ago
Updated: 5 years 2 months 2 weeks ago
Views: 13,121
Updated: 5 years 2 months 2 weeks ago
Views: 13,121
Our world's (d)evolution in action.