Imagine a place for the elderly that’s also filled with the sounds of children playing. Marc Freedman goes to Singapore to investigate a new model for intergenerational living.

It’s called second-skilling: developing your skills for a new job while you’re still working. The Asian city-state is investing in its citizens so they can stay flexible and employed, says online learning advocate Barbara Oakley.

Architect Ole Scheeren is fed up with the rigid, hierarchy of the skyscraper. He hopes his buildings will change the way we think about soaring towers.