what is the most exiting breakthrough you’ve made in your work so far

Question: what is the most exiting breakthrough you've made in your work so far
- Keywords:
  breakthrough,
  discovery,
  work
Asked by sloth-savior to David, Sarah on 22 Nov 2014.
- David Foley answered on 22 Nov 2014:
  
  Might have made one today just by searching the literature. Will find out next week!!

Question: what is the most exiting breakthrough you've made in your work so far