Hungarian engineers have created Aurora, a prototype device to help blind people detect obstacles as they walk, via an ultrasonic distance sensor and vibration motor.
Researchers in the United States have developed a new procedure that shrinks the stomach by as much as 80 percent without major surgery. Using a specialized endoscope, doctors re-shape the stomach by stitching it smaller from the inside out.
Based on rituals of warrior samurai, Japanese horseback archery continues to draw crowds.
German scientists develop a technology which they think could allow planes to be steered using only signals from the brain.
The buildings in a Portuguese town are lit up as part of a special festival featuring installations from artists from 14 countries.