There are so many sights to see and things to do in New York City, but visiting a few of these classic hotel bars should not be excluded from any visitor's list.

BBC: New York City's classic hotel bars

We can now add soil composition to the list, as Curiosity became Earth's first visitor to the Red Planet to both gather and analyze Martian soil on its own.

ENGADGET: NASA Curiosity rover digs Mars, finds sulfur, chlorine and organic traces of unknown origin