Deep in Gale Crater, conglomerates found!

Sand, pebbles, cobbles, some of them round.

From sizes and shapes, geologists reckoned

There must have been water-flow 3 feet per second!

High as your ankle, maybe up to your hip,

Waters rushed downwards from over the lip.

Canyons and outcrops, the clues appear rife ...

The trickier task: detect signs of life.

Ofiicial press release:

http://www.jpl.nasa.gov/news/news.php?release=2012-305

http://news.sciencemag.org/sciencenow/2012/09/scienceshot-bingo-ancient-rushing.html

http://www.guardian.co.uk/science/2012/sep/28/mars-rover-curiosity-evidence-water?newsfeed=true

http://www.npr.org/2012/09/28/161925428/nasas-curiosity-finds-water-once-flowed-on-mars

http://news.nationalgeographic.com/news/2012/09/120927-mars-streambed-riverbed-science-curiosity-rover-nasa-water/

http://www.sciencemag.org/content/337/6102/1604.1.full?sid=2a330fc0-e639-4833-af23-fd8368926bc1