Micah White, co-creator of the Occupy Wall Street movement, now lives in Nehalem, Ore., where he's active in local politics. "There are no big businesses here. These are all my neighbors. You can't block traffic," he says. Trav Williams hide caption

Anti-apartheid activist Ahmed "Kathy" Kathrada talks during a tribute to his close friend and former South African President Nelson Mandela at Gandhi Hall on Dec. 8, 2013, in Johannesburg. Kathrada died on Tuesday at 87. Marco Longari /AFP/Getty Images hide caption

Dan Ariely has found that "what separates honest people from not-honest people is not necessarily character, it's opportunity." Gary Waters/Getty Images/Ikon Images hide caption

Trisha Lizotte, a room attendant at the Meadowmere Resort in Ogunquit, tidies a second floor room in March 2015. Establishments like the Meadowmere (pictured) and the Beachmere Inn hire many foreign workers in positions like Lizotte's over the course of the summer through the H-2B visa program. Portland Press Herald/Press Herald via Getty Images hide caption

Kerry James Marshall, School of Beauty, School of Culture, acrylic and glitter on unstretched canvas, 2012 Sean Pathasema/The Museum of Contemporary Art hide caption

Cairo has lost more than half of its population in recent decades. Today, there are just under 3,000 people left. Kirk Siegler/NPR hide caption

A row of recovered cannonballs in the Charleston Museum. Alexandra Olgin/South Carolina Public Radio hide caption

Starship Technologies' delivery robots, which can be found traveling the sidewalks of Washington, D.C., get smarter the more they drive — learning about sidewalk and traffic patterns with every trip they take. Meg Kelly/NPR hide caption