This year's TR10 marks the fourth time that Technology Review has identified 10 top emerging technologies. Here is what is happening with seven of the 30 previous selections.
Hospitals across the country are examining whether video-enabled robots can help doctors extend their rounds safely and with patients' acceptance.
Anil Jain at Michigan State University seeks to improve security by integrating various types of biometrics.
Students and faculty at Johns Hopkins University have devised an ingenious -- and very lifelike -- simulation that helps doctors deal with birthing room emergencies.
Dr. Hongyun's operation has polarized those who hope to use stem and fetal cells to cure paralysis. See how this controversial surgery works.
China's answer to Silicon Valley hasn't fared well financially, although the government says the operation will soon bounce back.
Burn victims. Trauma patients. Even arachnophobes. Each of these is being treated by a cutting-edge virtual reality program that helps patients deal with fear and pain.
The future is here for the movie industry, Apple and Microsoft. Each faces a challenge to corral the digital media environment.
Tiny biosensors could eventually be used to monitor changes in the body, giving doctors and patients a leg up on keeping healthy.