This week on VNN: Happy 15th birthday to the Grand Challenges Scholars Program. Researchers from three USC schools, including USC Viterbi, collaborate to reimagine the LA River. USC Viterbi is playing an important role in two groundbreaking initiatives shaping the future through innovation and sustainability. USC and MIT researchers unveil a new wearable ultrasound prototype helping people at risk of liver failure. | USC Viterbi School of Engineering | Facebook