Here's how early humans spread from East Africa all around the world. Produced by Alex Kuzoian Follow BI Video: On Facebook More from Science It's tough to know what happened on Earth thousands of ...

Follow the three years of battles in the North African desert, and see how Axis and Allied forces chased each other across this hostile terrain.

For three years, Axis and Allied forces chased each other over the hostile terrain of the North African desert. The tide turned in the Allies' favour at the Second Battle of El Alamein in 1942.