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Florida's fragile coral reefs are in crisis. Once vibrant cities of the sea, these biodiverse ecosystems have declined over the past few decades. Fishing pressures, pollution, development, and climate change have all left their mark. Now, a new ailment known as "Stony Coral Tissue Loss Disease" may be the last nail in the coffin. This disease is infecting over half of the reef-building corals at an unprecedented scale, killing most of the corals that...

Far out in the South Pacific, there's a tropical island paradise. Known as the "Islands of Sacred Earth," the territory of American Samoa is one of the United States' most remote outposts. Its waters are home to stunningly beautiful coral reefs, including two of the world's oldest and largest coral colonies on record. Many of these sites are protected inside America's only National Marine Sanctuary and National Park south of the equator. Coral reefs...

Once conducted almost entirely on dry land, the hunt for biochemical and pharmaceutical resources is shifting to the world's oceans. This program examines various phases of that research-algae and sponge extraction around the globe, the growing utilization of toxic substances produced by some marine organisms, and the practical application of treatments and cures that are often a dozen years in the making. With its ethical discussions about animal...

Women are breaking their silence about sexual harassment, with news breaking daily about celebrities and public figures. When will it be safe for women across the workforce to speak out? Judy Woodruff gets perspectives from attorney Lynne Bernabei, Jocelyn Frye of Center for American Progress and Lin Farley, author of Sexual Shakedown and Megan Twohey of The New York Times.