Photographer Greg Miller has been documenting Ash Wednesday for two decades. Now those strangers he stopped on the street are part of his upcoming book, Unto Dust.
Engineers at Dartmouth College have developed a computer chip that can detect a single particle of light. Cameras with the chip would have visual abilities even a superhero would envy.
Photojournalist Matt Black has spent the last four years traveling across the country shooting images for his project The Geography of Poverty. He tells Scott Simon about what he's seen and learned.
A Paris museum is showing the first major posthumous exhibit of work by the great photographer. As Sidibe himself once said, "I think photos are the best way of living a long time after you die."
Immersive exhibits, such as "Infinity Mirrors" and Artechouse, are driving people to museums in search of the perfect snapshot. The craze is changing the way we experience art in the Instagram-era.