Talk of the Nation on KAZU

As membership in private-sector labor unions has continued to nosedive, traditional labor groups have been forced to reevaluate — just as non-union worker groups have emerged. Guest host Jennifer Ludden talks to writer Josh Eidelson about what he calls 'alt-labor.'

As the populations in big cities increase and more people choose to live alone, a new trend of living in very small spaces has emerged. But the tiny living movement is not without controversy as growth of these multi-unit buildings puts pressure on established neighborhoods.

During Argentina's so-called Dirty War, thousands were abducted and taken to secret prisons like a place known as "the little school," where many were tortured and killed. Guest host Jennifer Ludden talks to a former prisoner, Alicia Partnoy, about her disappearance and her time there.

A report from the UN Food and Agriculture Organization says insects offer a huge potential for improving the world's food security. Peter Menzel, co-author of Man Eating Bugs, describes some insect-based cuisine and the western aversion to creepy-crawly snacks.

Generations of physicists have claimed that time is an illusion. But not all agree. In his book Time Reborn: From the Crisis in Physics to the Future of the Universe, theoretical physicist Lee Smolin argues that time exists--and he says time is key to understanding the evolution of the universe.