World

The Shanghai Propaganda Poster Art Center lies buried in an unmarked apartment building off the tree-lined streets of the city's former French Concession. There are no signs. You have to wend your way through apartment blocks, down a staircase and into a basement to discover one of Shanghai's most obscure and remarkable museums.

Singapore is taking local farming to the next level, literally, with the opening of its first commercial vertical farm.

Entrepreneur Jack Ng says he can produce five times as many vegetables as regular farming looking up instead of out. Half a ton of his Sky Greens bok choy and Chinese cabbages, grown inside 120 slender 30-foot towers, are already finding their way into Singapore's grocery stores.

Iran is stockpiling gold. That's the way David Cohen sees it. He's undersecretary of the Treasury, and the Treasury's point man for the banking sanctions the U.S. has imposed on Iran.

"Iran is attempting to hoard gold, both by acquiring it and by preventing the export of gold from Iran, in a somewhat desperate attempt to try and defend the value of its currency," Cohen says.

Malaria remains a huge problem in much of the world, but over the past decade the number of people getting sick and dying from the disease has gone down dramatically.

Health workers attribute much of this progress to the widespread use of artemisinin-based drugs. The problem now is that resistance to these drugs is starting to develop in Southeast Asia.

Far from the political theater of China's Communist Party Congress in Beijing this week is a cave that the country's next leader once called home.

Just 15 at the time, Xi Jinping was sent by his family in Beijing to the remote rural village Liangjiahe in the hills of Shaanxi Province, hundreds of miles away, where for seven years he lived in a cave scooped out of the yellow loess hillsides.

He arrived there in 1968, after his father, a revolutionary fighter and former vice premier, had fallen from political favor.