Top Stories Photos

Pause
Slow
Med
Fast

Gallery

In this July 1, 2009 photo, Emily Snyder, left, Erin Sweeney, ...

Sat Dec 26, 2:56 PM ET

Prev 1 of 304 Next

In this July 1, 2009 photo, Emily Snyder, left, Erin Sweeney, center, and Caroline Chen, all part of the Argentina project team at Bode Techology in Lorton, Va., pose with pipettes used in extracting DNA. The lab is using genetic technology to identify the remains of people killed nearly 30 years ago in Argentina, some of whom were found in mass unmarked graves.

(AP Photo/Jacquelyn Martin)