Apple Unveils iPhones 5C, 5S The company's latest phones come in new colors and designs. Grateful Dead Drummer Bangs Drums for Brain Research Mickey Hart is helping researchers uncover the impact of rhythm on the human brain. Apple Testing Large-Screen iPhones Apple tests iPhone screens as large as six inches. Robot Utters First Words in Space The first talking humanoid robot in space speaks Japanese at the International Space Station. Time for Samsung's Galaxy Gear Smartwatch Samsung revealed new smartwatch and Galaxy Note 3 at the IFA technology trade show.