Julia is an extremely interesting new programming language - high level and dynamic, but built for speed (2x slower than C code, typically) and easy parallelisation, and with scientific computing its main goal.
Most recent discussion on HN: https://news.ycombinator.com/item?id=6172545
Julia ‘type along’ video tutorials: http://julialang.org/blog/2013/03/julia-tutorial-MIT/
Julia + iPython interoperation video: http://lanyrd.com/2013/scipy/schhyz/