Oct 22 Russian Duma Approves Kyoto Protocol Russia's state Duma on Friday ratified the Kyoto Protocol, which aims to fight global warming, giving the global pact a good chance of being enacted and boosting Russia's chance at joining the World Trade Organization. Continue reading
Oct 13 Watch The Teen Brain New research on physical and developmental differences between the brains of adolescents and adults may explain why some teenagers behave erratically. The findings could have a major impact on U.S. court cases, especially those that deal with minors and the… Continue watching
Oct 11 Watch Stem Cell Research and How It Has Affected the Presidential Campaign Gwen Ifill leads a discussion about the debate over stem cell research with Daniel Perry, president of the Coalition for the Advancement of Medical Research, and Richard Doerflinger, deputy director for pro-life activities for the U.S. Conference of Catholic Bishops. Continue watching
Oct 08 Nobel Peace Prize Goes to African Environmentalist The culmination of a week-long flurry of Nobel prize awards was Friday's announcement of Professor Wangari Maathai, an environmental activist from Kenya, as the Nobel Peace Prize winner. Continue reading
Sep 07 Watch Scientists Call Air Pollution Global Problem Air pollution is difficult to track and prevent because plumes of impurities that originate in one country can drift half a world away, ultimately affecting the climate and human health on different continents. Betty Ann Bowser looks at global efforts… Continue watching
Aug 24 Watch A Debate on How to Count Salmon in the Pacific Northwest Lee Hochberg of Oregon Public Broadcasting reports on the debate over how to count fish -- specifically salmon -- in the Pacific Northwest. Continue watching
Aug 10 NASA Plans to Repair Aging Hubble Telescope NASA said Tuesday it is moving ahead with plans to send a robot to repair the Hubble Space Telescope, reversing a previous decision not to fix the orbiting telescope because of safety concerns. Continue reading
Aug 10 Watch On-going Controversy Over Embryonic Stem Cell Research Three years after President Bush announced the federal government would only support limited research involving the use of embryonic stem cells, the issue remains a divisive political and scientific topic. Susan Dentzer reports on ongoing research and the continuing debate… Continue watching
Aug 09 Watch Dr. Elias Zerhouni As part of a report on the state of embryonic stem cell research three years after President Bush limited federal funding for the effort, Health Correspondent Susan Dentzer talked with Dr. Elias Zerhouni, director of the National Institutes of Health. Continue watching
Aug 09 Watch U.S. Rep. Dave Weldon As part of a report on the state of embryonic stem cell research three years after President Bush limited federal funding for the effort, Susan Dentzer talked with Congressman Dave Weldon, a Republican who opposes the use of embryonic stem… Continue watching