Cities, buildings are becoming smarter

Technology firms like Cisco, IBM, Microsoft and Google, besides research institutes, are helping make cities more responsive to the needs and desires of inhabitants The 250,000 citizens of Songdo,......

Who's the tallest of them all?

It won't be finished before next year, but Burj Dubai is already 1,680 ft high (141 floors), nudging out Taipei 101 (1,666 ft) as the world's tallest building. It looks like it's going to remain......