Tiny, delicate marine snails called pteropods are a key part of the marine food web. New research indicates they are dissolving to a greater extent than previously thought because of ocean acidification.
David Hyde talks with Mitchell Warren about the breakthroughs and challenges of HIV prevention over the last 30 years. Warren is the executive director of AVAC, an international non-governmental organization that works on HIV prevention.
Warren said that one of the greatest breakthroughs in HIV-AIDS prevention was the rise of the citizen activism that pushed for funding, creativity and urgency in research. "AIDS really changed how research happened," he said. "Science changed because communities ‘acted up.’"
Marcie Sillman speaks with Eric Holdeman, a former Emergency Management Director for King County, about the lessons from the Oso slide response, and how they can help Washington State prepare for the next disaster.