By Luke Carothers In Ethiopia’s Omo Valley, the way of life for indigenous tribes like the Kara, Mursi, Hamer, and Nyangatom has survived for thousands of years.  These groups have…

Advancements in Engineering Can Bring Prosperity, But There Are Also Human Costs H. Kit Miyamoto, Ph.D., S.E. Slicing through a wide red river, our small boat approaches the muddy clay shore. A…