Charlene Yuson, of El Mirage, curls a 10-pound weight while being hooked up to electrodes, as part of the "Electricity from Your Muscles" display at the Downtown Phoenix campus' ASU Open Door, on Friday, Feb. 2. Her children, Ceryna Paige (left), 11, and Cyril Paige, 8, check out their mother's feat of strength.

Nicholas Mojica practices taking fingerprints in the University Center at the ASU Downtown Phoenix campus Open Door event.

Einac Henenson (right) looks at a dissected squid in the University Center during Open Door at the Downtown Phoenix campus.

Josh and Katelyn Allen view clownfish in the University Center.

Jazz band Crosstown Players, with lead vocalist Zhanae Schuman, entertains outside the Sandra Day O'Connor College of Law.

ASU student Saily Valadez plays giant Jenga at the Downtown Phoenix campus Open Door event.

An inflatable Sparky overlooks the Open Door event on the Downtown Phoenix campus.

Seven-year-old Tessa Hempel, of Phoenix, contemplates her next checkers move against her sister Shaylyn. She double-jumped, taking two of the white pieces.

Julian Britt, 15, and his mother, Yolanda Britt, of Glendale, are in sync as they double-jump rope at ASU Open Door on the Downtown Phoenix campus.

Brianna Lavioe, 11, of Scottsdale, jams with a hula hoop at the Downtown Phoenix campus Open Door.

Nine-year-old Gabriel Peralta, of Phoenix, gets guidance on CPR from doctoral nursing student Graham Sawicki.

Gaby Yap-Gregory, 9, of Phoenix, is an out-of-this-world Sustainability Super Hero at the Downtown Phoenix campus' ASU Open Door.

ASU police officer Becky Garcia (right) explains evidence gathering to Dannah Ahmed-Sayd, 9, and her mother, Samah Ahmed.