A flexible electrode array created by a team co-led by researchers from the University of Pennsylvania. Photo Courtesy of Travis Ross and Yun Soung Kim, University of Illinois at Urbana-Champaign.

• A new flexible electrode array can provide high-resolution recordings of brain activity with fewer wires.
• Researchers have found that sending health information to new and expectant mothers via text message can help them identify health warning signs, remember appointments and keep up with immunizations for their children, and talk to their healthcare providers.
• A technique for converting 2-D patterns into 3-D objects with light could lead to new manufacturing processes and packaging applications.
• Graphene could replace copper in electronics to create devices that are smaller and faster.
• Universities and electronics companies have formed a center to research how to make electronics more energy efficient.

—Jamie Hartford