- 'Lightbombing': Dazzling street art
- Proton therapy: 'magic bullet' for cancer?
- Team upload a worm's mind into a Lego robot
- Robotics revolution hits Ugandan classrooms
- 'Blood test in a box' gives instant diagnoses
- Traffic lights on windshields speed commutes
- Military drones that ape hawks and insects
- Virtual reality that vibrates
- Harvesting energy from human footsteps?
- Poker-playing program can't be beat