By Heirete Yibaleh

Sheldon Lee Cooper, a fictional character from the hit CBS television sitcom The Big Bang Theory, has genius level IQ, but displays an almost total lack of social skills, a weak understanding of conventional humor, and difficulty recognizing irony and sarcasm in other people.

By Mark Anderson

The evening sun casts a glow over the Bisha mine as the last dump trucks of the day climb up gravel tracks on their way to a refinery, where copper and zinc ore will be processed and shipped off for sale on the world market.