How to Hang a Heavy Mirror (16 photos)

Installing a good-size mirror can be one of the quickest, best ways to add light and style to a room. But before you break out a hammer and nails, it’s important to know how to hang a heavy mirror safely and securely. Here are the basic steps, as well as what to know about your mirror, hanging hardware...

Can 3D-Printed Homes Solve the Global Housing Crisis? (10 photos)

In slums around the world, families live in makeshift houses created with whatever scrap materials they can gather. These homes often lack clean water and proper toilets and have leaky roofs that let in the rain and cold. Two young companies in the U.S. are addressing the problem in a surprising way:...