Aciel writes: "Ruby has long been popular in the web/business community, while Python dominates the scientific community. One new project seeks to bring balance to the force: SciRuby. We've already introduced a linear algebra library called NMatrix (currently alpha status). There's at least one fellowship available for students interested in working on the project this summer."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.