Nov 20 Watch Breakthrough Set to Radically Change Stem Cell Debate Scientists reported Tuesday that they had succeeded in making human skin cells mimic embroynic stem cells, potentially bypassing the ethical debate over embryonic stem cell use. A cell biologist discusses the research behind the advance. Continue watching
Nov 20 Watch Extended Interview: Google Executives Discuss Smart Phones Eric Schmidt is the Chairman of the Board and CEO of Google. Andy Rubin is Google's director of mobile platforms, in charge of overseeing the development of a Google operating system for smart cell phones. The two executives discussed smart… Continue watching
Nov 20 Watch Extended Interview: Microsoft CEO Discusses Smart Phones Steve Ballmer is the Chief Executive Officer of Microsoft Corp. He discussed the company's smart phone technology plans with Spencer Michels. Continue watching
Nov 19 Watch U.N. Panel Warns on Climate Change in Report The U.N. panel on climate change has issued a new report outlining troubling scenarios if greenhouse gas emissions are not reduced. The report will be the basis for U.N. climate talks in December. Michael Oppenheimer, a member of the panel,… Continue watching
Nov 15 Watch Scientists Reach Breakthrough in Cloning Monkey Embryos Oregon scientists announced the successful cloning of monkey embryos this week, a major breakthrough in the field of stem cell research. NewsHour Health correspondent Susan Dentzer details their findings. Continue watching
Nov 14 Watch In ’08 Election, Environment, Resources Top Concerns for Western Voters Rapid growth in some western states has caused strain on natural resources. Local experts explain how the issues of water, power and land use are playing a role in the 2008 presidential election. Continue watching
Nov 14 Watch Rapid Urban Growth Strains Nevada’s Natural Resources Rapid growth in Las Vegas has caused tension between urban and rural areas about the strain on Nevada's natural resources. The battle over water and energy use has raised debate about the need for conservation and alternative sources of energy. Continue watching
Nov 12 Criminal Investigation Opened into San Francisco Bay Oil Spill By PBS News Hour Federal investigators on Monday were considering whether to file charges against crew members of a ship that struck the Bay Bridge on Wednesday, spilling 58,000 gallons of fuel oil into the San Francisco Bay. Continue reading
Nov 07 Watch Astronomers Spy New Planet in Distant Solar System Scientists announced Tuesday that they had discovered a new planet orbiting the star 55 Cancri, 41 light years from Earth, making it the most crowded solar system identified outside of our own. Astronomer Geoff Marcy talks about the new planet… Continue watching
Nov 05 Watch Environmental Issues Fuel California’s Water Wars Southern California is coping with water shortages due to a judge's ruling limiting the amount of freshwater that can be pumped from the northern part of the state. Environmental advocates, concerned about the effect on wildlife, lead the battle over… Continue watching