A Nigerian teacher and Ashoka fellow, Mohammed Bah Abba has invented an earthenware refrigeration system for preserving perishables in arid climates. Because the system preserves food, families that have... continue reading
posted by laura 1 decade 4 years 7 months 1 week ago • 3,264 viewsWhat's currently happening in our world?
Created: 1 decade 6 years 9 months ago
Updated: 4 years 8 months ago
Views: 13,041
Updated: 4 years 8 months ago
Views: 13,041
Our world's (d)evolution in action.