Play the video above to see these stories on AZ Illustrated Science for Tuesday, Feb. 26:

MILITARY SUICIDES are on the rise, with an average of 18 a day in the wind-down of the wars in Iraq and Afghanistan, the military reports. Helping traumatized veterans is a daunting task. Gisela Telis reports.

VETS HELPING VETS to stem the military suicide rate is one tactic being tried in Southern Arizona. La Frontera, a Tucson-based behavioral health agency, is working to develop Rally Point, a support system run by veterans for veterans. Jane Poynter interviews Abel Moreno, a veteran of the wars in Iraq and Afghanistan who now works to help fellow veterans, and Dan Ranieri, CEO of La Frontera.

SECURING OUR WATER SUPPLY is the focus of a March 5 conference in Tucson. What is water security, and why is it important in Arizona? Jane Poynter interviews Sharon Megdal, director of the University of Arizona Water Resources Research Center.

MEDICAL ID THEFT is increasing nationally, as part of health care fraud that costs the country $8 billion annually, says the FBI. Georgia Davis reports.