I believe the article refers to experiments conducted by John Howell's group at the University of Rochester:
Starling, D. J., Dixon, P. B., Jordan, A. N. & Howell, J. C. Phys. Rev. A 80, 041803(R) (2009)
Dixon, P. B., Starling, D. J., Jordan, A. N. & Howell, J. C. Phys. Rev. Lett. 102, 173601 (2009).
You can get the articles here:
http://www.pas.rochester.edu/~jhgroup/papers/starling-pra-09-10.pdf
http://www.pas.rochester.edu/~jhgroup/papers/dixon-prl-09-04.pdf
Here is a link to a summary of the work in Nature:
http://www.nature.com/nature/journal/v463/n7283/full/463890a.html
The tie-in to time reversal and retrocausality is discussed in the Discover article linked from the "Destiny of the Universe" article above.