A Week in Science is the science news feed from RiAus. We're bringing you the science news you need to know, all week every week.
This edition of A Week in Science is for the week ending 19 October 2012. You can follow A Week in Science throughout the week on Twitter, and join the discussion, by following the hashtag #weekinsci
For more information visit riaus.org.au/articles/a-week-in-science-19-october-2012/