1.) Warmth from Parisian straphangers will help heat public housing projects.
2.) In a new competition, Metropolis magazine seeks to make 9,600 aging U.S. buildings more sustainable.
3.) The problem with robotic arms for wheelchair-bound patients: they're too easy.
4.) The science behind the perfect french fry.
5.) Will there be a market for green datacenters in 2016?
This post was originally published on Smartplanet.com