* Ph15: Young Photographers from Argentina will be on display at UNLV's Donna Beam Fine Art Gallery through Feb. 16. Free. Hours are 9 to 5 p.m. Monday through Friday, 10 a.m. to 2 p.m. Saturday, closed Sunday. 895-3893 or http://donnabeamgallery.unlv.edu/.
WALK WITH THE HEART OF A CHILD
* The Children's Heart Foundation, 3006 S. Maryland Parkway, will hold its charity event Walk with the Heart of a Child, 8:30 a.m. Saturday, Fashion Show mall. Registration begins 7 a.m. $20 for adults, $15 virtual walkers, $10 students and seniors. 967-3522 or www.chfn.org.
COOKING AND MUSIC
* The World Music Series at Winchester Cultural Center will add food into the mix with a Brazilian cooking demonstration, noon Sunday. Mocidade Rebelde will perform at 2 p.m. $15; register by Thursday to participate. 3130 S. McLeod Drive. 455-7340 or www.accessclarkcounty.com/parks.
HOWARD HUGHES INTRIGUE
* Veteran journalist Geoff Schumacher, director of community publications for Stephens Media, will talk about his new book "Howard Hughes: Power, Paranoia & Palace Intrigue" at a Nevada State Museum book signing and panel discussion, 5:30 p.m. today, Lorenzi Park. Moderated by Lynn Zook of Friends of Classic Las Vegas. Donation $3 adults, free for museum members. 700 Twin Lakes Drive. 486-5205.