May 20 Watch BPA Dropped From Some Plastics Amid Health Concerns Bisphenol A, or BPA, is a chemical commonly found in hard plastic bottles such as Nalgenes and other everyday plastic products. However, increasing concerns about BPA's alleged toxicity has caused Nalgene to stop using it to make bottles. Continue watching
May 16 Six Years On, Yucca Mountain Nuclear Repository Slowly Moves Forward By PBS News Hour Energy Department officials confirmed this week that they plan to submit an application in June to license the Yucca Mountain nuclear waste dump as the nation's first spent-nuclear fuel repository. Continue reading
May 16 Cities Are Looking to Share and Share a Bike By PBS News Hour European style bike-sharing programs are soon coming to U.S. cities. Continue reading
May 15 Watch Corn Farmers Prosper, Others Lose Out with Ethanol Use As corn prices have risen with demand for ethanol in recent years, corn farmers are prospering. But others -- such as hog farmers who rely on corn feed -- are facing tough times, and some critics blame ethanol demand for… Continue watching
May 14 Watch Polar Bears Listed as 'Threatened' Due to Loss of Arctic Ice In a highly anticipated decision, the Interior Department on Wednesday declared the polar bear "threatened" under the Endangered Species Act because of shrinking Arctic ice due to global warming. Two analysts consider the impact of the decision. Continue watching
May 12 Powerful Earthquake Destroys Buildings, Builds Mountains in China By PBS News Hour There's a saying among seismologists: "Earthquakes don't kill people. Buildings do." The powerful 7.9 magnitude earthquake that rocked central China on Monday afternoon, killing upwards of 8,500 people, was a grim reminder of that common phrase. Continue reading
May 07 Platypus Genome Reflects Animal's Unusual Exterior, Research Finds By PBS News Hour With its webbed feet, fur-covered body and venom-shooting spurs, the platypus is famously one of nature's strangest-looking animals -- a motley combination of bird, mammal and reptile. Continue reading
May 06 Little-known Drug Draws New Scientific, Legislative Attention By PBS News Hour Most of what the public knows about the hallucinogenic drug salvia divinorum comes in disturbing snippets from a growing collection of online videos. Continue reading
Apr 25 Watch Senate Votes to Prevent Genetic Discrimination in the Workplace As research of preventative genetic testing increases, many fear the impact this information can have on employment and health-insurance practices -- leading the Senate to vote Thursday to ban genetic-based discrimination. An expert on genetics examines the issue. Continue watching
Apr 25 Watch Pittsburgh Renews Itself With 'Green' Technologies Pittsburgh, once described as the nation's "dirtiest city," is working hard to reverse that image with new energy efficient initiatives. Paul Solman looks at how the Steel City has become reinvigorated by implementing new "green" energy technologies. Continue watching