Apr 12 Watch Anniversary of Polio Vaccine Approval, Remembering Microbiologist Hilleman On the 50th anniversary of the polio vaccine's approval, a new book celebrates vaccine creator Jonas Salk. Then, a microbiologist talks about the life and work of Dr. Maurice Hilleman, who developed vaccines for mumps, measles, chickenpox, pneumonia, meningitis and… Continue watching
Mar 29 Watch NASA Looks to Robots for Future of Space Travel NASA is developing a new program to build mechanical robot astronauts called Robonauts, some of which may be used to repair the Hubble Space Telescope. Some scientists argue that robots are better explorers than people. Continue watching
Mar 28 Watch An 8.7-Magnitude Earthquake Hits Tsunami Region in Southeast Asia Thousands fled from low-lying areas in Indonesia Monday after an 8.7-magnitude earthquake hit off the coast of Sumatra Island. A geological expert talks about how the earthquake originated. Continue watching
Mar 16 Watch Drilling for Oil The Senate Wednesday voted 51-49 to defeat a measure that would have banned oil exploration in the Arctic National Wildlife Refuge in Alaska. Continue watching
Mar 15 Watch EPA Limits Mercury Emissions The Environmental Protection Agency released the first regulations that limit mercury emissions from coal-fired power plants Tuesday. Two energy experts debate the implications of the new "cap and trade" initiative which allows companies to trade pollution allowances. Continue watching
Mar 11 Judge Cites Trade Secrets in Ruling Against Bloggers By PBS News Hour A judge on Friday ordered three bloggers to reveal confidential sources in a lawsuit brought by Apple Computer Inc., ruling that they were not protected by the First Amendment because they published trade secrets. Continue reading
Mar 04 President Selects Career EPA Employee to Lead Agency By PBS News Hour President Bush announced Friday that he has picked career government employee Stephen Johnson, the acting head of the Environmental Protection Agency, to take on the position full-time. Continue reading
Mar 02 Watch Tennessee State Representative David Shepard Tennessee has tried to tackle the skyrocketing costs of Medicaid for more than a decade and now their program, TennCare, faces major financial problems. The following is an extended transcript of David Shepard, a Democratic state representative, discussing the effort… Continue watching
Mar 02 Watch Diane Rowland Tennessee has tried to tackle the skyrocketing costs of Medicaid for more than a decade and now their program, TennCare, faces major financial problems. The following is an extended transcript of Diane Rowland, Executive Director of Kaiser Commission on Medicaid… Continue watching
Mar 02 Watch Governor Phil Bredesen Tennessee has tried to tackle the skyrocketing costs of Medicaid for more than a decade and now their program, TennCare, faces major financial problems. The following is an extended transcript of Gov. Phil Bredesen, the Democratic governor of Tennessee, discussing… Continue watching