Simple Church calls churches to focus on making disciples. Amid “an epidemic of fast-food spirituality” in today’s churches, Rainer and Geiger argue for pared-down simplicity: “Big and expanding menus ...

Solar stills provide a clever and simple means of purifying dirty or salty water, but they work at a rather slow rate. A new material has been shown to boost their performance, and it's made from ...

Plastics are a victim of their own success, so inexpensive, easy to use and versatile that the world is awash in plastic waste. Now researchers have reported a new method of producing polyolefins -- ...