A $100,000 prize will be shared out among the winning robots.
A professor at Ben-Gurion University in Israel is developing a tiny robot that will be able to crawl through the intestinal tract.
The "cuddlesome" Kirobo Mini robot offers companionship to its owners.
3-D-printed soft robot is powered with air through its interior.
Micah Johnson was killed after a robot delivered and detonated a bomb.
Black box recorders still missing from plane that plunged into Mediterranean with 66 on board.
The Smart Tissue Autonomous Robot successfully completed open bowel surgery on its pig patients