Engineer turned social entrepreneur Sabri Cheriha hunches over a washing machine at a small depot in a suburb of Tunisia's ...

If only the story had ended there. Despite that legislative success, the poorer nations of the world have never stopped being ...

Lagos gets tons of old phones, broken TVs, and outdated computers. People throw them away as quickly as they get new ones.

OUR pockets bulge with smartphones, our homes hum with the quiet whir of laptops and tablets, and our offices glow with the ...

Macular degeneration is a condition that affects the retina, which is neural tissue that lines the back of the eye, like wallpaper in a room. There is an important area ...