American Prison Tattoos

According to a 2006 PEW Research Center report, almost 4 in 10 between the ages of 18 and 40 are tattooed. Tattoos may be becoming the norm but before their surge in popularity, tattoos were the province of society's outcasts: sailors, artists, carnies and outlaws – acting as roadmaps of their lives: who they were, what they had done, their loves, desires, their sorrows and pains.

Read the rest of the story and view Robert Gempert's audio slide show here.

Faces Of The Favelas

The French artist JR first made his mark in Rio de Janeiro last year, as giant posters of staring eyes started appearing on buildings in the city's oldest favela. He was drawn there following the controversial deaths of three young men, amid alleged collusion between Brazilian soldiers and a drugs gang. But now JR's work has made it on to some of Rio's grander structures.

Take a tour of the city with photographs by Helen Clegg and meet the people who inspired him.