Play the video above to see these stories on AZ Illustrated Science for Tuesday, April 23:

TAI CHI FOR STROKE PATIENTS is being tried at the University of Arizona as a new approach to therapy. The Chinese martial art can help restore balance, mobility and well being in stroke survivors, researchers say. Gisela Telis reports.

MOVE FOR HEALTH. That's what UA scientists say as they study people's body motion as a way to help them preserve their health as they age. Jane Poynter speaks with Jane Mohler, associate director of the Arizona Center on Aging, and Bijan Najafi, a UA associate professor of surgery and director of the Interdisciplinary Consortium on Advanced Motion Performance.

QUITTING SMOKING is one of the more difficult regimens for people to undertake because of nicotine's addictive nature. UA scientist Myra Muramoto is using funding from the National Cancer Institute to train acupunturists, chiropractors and massage therapists in techniques that can help their smoking patients. Jane Poynter interviews Muramoto.

RECYCLING SULFUR isn't the easiest task in the manufacturing world. Now, an international team of researchers led by UA scientists has discovered a way of making sulfur useful, by turning it into lightweight plastic. Jane Poynter interviews lead researcher Jeffrey Pyun and Richard Glass, both of the UA Department of Chemistry and Biochemistry.