Scientists aid search for lost submarine: Argentina lost contact with one of its military submarines in mid-November, and there’s been an international effort to locate it. The Woods Hole-based research ship Atlantis is involved, and so is an international group that typically monitors nuclear test activity. It's not the first time either group has been called on to help find a lost submarine or downed airliner. Smart implants could help treat mental health disorders: Researchers funded by DARPA