A shabby stoop can crush a home’s overall curb appeal. And while building concrete steps is more complicated than pouring a ...

Imagine you’ve just gotten to Mars as part of the first contingent of settlers. Your first challenge: build a long-term ...

Once you settle on Mars, you can use your ship as a habitat until you build your new colony. But, what are you going to create new homes from? Cement or concrete come to mind, made from whatever's ...