Repeat: In this January 28, 2014 picture, Yoshiki Sasai, right, and biologist Haruko Obokata, a unit team leader of RIKEN, pose for photos in Kobe after a talk they'd given .
In this January 28, 2014 picture, Yoshiki Sasai, right, and biologist Haruko Obokata, a unit team leader of RIKEN, pose for photos in Kobe after a talk they'd given .