Local News Philadelphia Science Festival Visits Talk Philly April 17, 2012 / 12:00 PM EDT / CBS News Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Experiment Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Brings Special Friends To Talk Philly Philadelphia Science Festival Drexel University Science students "Josa Hanzlik and Anna Vorobyeva" on Talk Philly set. (credit: Randall E. Scott) Philadelphia Science Festival Drexel University Science students "Josa Hanzlik and Anna Vorobyeva" on Talk Philly set. (credit: Randall E. Scott) Philadelphia Science Festival Drexel University Science students "Josa Hanzlik and Anna Vorobyeva" on Talk Philly set. (credit: Randall E. Scott) Philadelphia Science Festival Drexel University Science students "Josa Hanzlik and Anna Vorobyeva" on Talk Philly set. (credit: Randall E. Scott)
