Bob Lewis contracted a rare fungal disease called Crytococcus gattii in 2007 that is spreading through the Pacific Northwest. He and his wife, Joan, live in Portland, Ore.
Paul Law, director of the Interactive Autism Network, and his wife, Kiely Law, changed the direction of their careers after having a child with autism. IAN seeks to facilitate research on autism spectrum disorders.
Researchers say it's not just loose skin that makes us look old; it's our bones. These skulls from the Smithsonian Museum of Natural History show the loss of definition in the lower face.