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 8 months ago • 3,264 viewsWhat's currently happening in our world?
Created: 1 decade 6 years 9 months 4 weeks ago
Updated: 4 years 8 months 4 weeks ago
Views: 13,047
Updated: 4 years 8 months 4 weeks ago
Views: 13,047
Our world's (d)evolution in action.