Speculative Fact #158: This One is a Double.

There is a a protoplanet made completely of iron, named Psyche. It's one of a kind in our solar system. 
NASA wants to go there in the very near future (which by their timetable, is in the next ten years). What could have happened to it that would completely strip its outer layer?

In 2015, South Korea will unveil Robot City. It started as a robot themed amusement park, but in less than three years time will expand to a Robot "mecha" (pun intended) for scientists and venture capitalists to do...well...whatever they want.

A Metal Planet. The Metal City. What possibilities come to mind?