Brain wiring

http://www.extremetech.com/extreme/133651-first-map-of-the-human-brain-reveals-a-simple-grid-like-structure-between-neurons

Exciting stuff!

Robotic legs

Scientists are developing robotic legs to assist people regain their ability to walk after injury:

http://www.newser.com/story/149579/big-step-forward-for-robotic-legs.html