In this issue, you’ll hear how the social media giants’ scientists are hunting for insights about human behavior. You’ll hear how Facebook could collapse – without a new earth-changing idea. You’ll hear how Germany is pursuing ambitious greenhouse-gas reductions while closing down its nuclear plants. You’ll learn how scientists are turning back to nature in order to revolutionize the way we produce fuels, chemicals, and pharmaceuticals. And you’ll find out why the future of media on mobile devices isn't with apps but with the Web.