Me da mucho miedo no poder ser capaz de resolver el “Two body problem”

http://en.wikipedia.org/wiki/Two-body_problem#Other_usages
http://www.physics.wm.edu/dualcareer.html
http://chronicle.com/jobs/v45/i09/4509career.htm
http://blog.qiken.org/archives/2005/04/feminism_and_th.html
http://www.phds.org/jobs/the-two-body-problem/