Jul 01 Watch Extended Interview: Hank Greely Hank Greely, a law professor at Stanford, heads a group of ethicists who are keeping track of Dr. Irving Weissman's work transferring human brain cells to mice. The following is an extended interview with Greely. Continue watching
Jun 30 NASA Plans July 13 Shuttle Launch By PBS News Hour The space shuttle Discovery is set to rocket into orbit on July 13, two-and-a-half years after the Columbia disaster claimed the lives of seven astronauts, NASA announced Thursday. Continue reading
Jun 29 Watch Tornado Science Scientists from the Center for Severe Weather Research track storms in western Kansas' "Tornado Alley" in an effort to improve their understanding of the process of tornado formation so that better predictions may someday be made. Continue watching
Jun 29 Watch NASA Spacecraft Set for Collision with Comet in July NASA plans to smash a probe into a comet the size of Washington, D.C. on July 4 in order to better understand the origins and makeup of comets, and by extension the early history of the solar system. Jeffrey Kaye… Continue watching
Jun 27 Court Rules on Internet File-Sharing, High-Speed Lines By Admin, PBS News Hour The Supreme Court handed down two Internet-related decisions on its last day of the session Monday, one dealing a blow to companies that encourage file-sharing and the other impacting high-speed Internet access over cable lines. Continue reading
Jun 24 Watch Human Exposure to Chemicals Advancements in bio-monitoring are allowing researchers to better detect the levels of chemicals that people's bodies pick up from everyday life. Continue watching
Jun 22 Watch Energy Bill Debate The Senate on Wednesday agreed to voluntary emissions reductions, rather than mandatory cuts, while debating a broader energy bill. Following a background report, analysts discuss the pros and cons of the energy bill and the next step for the Senate. Continue watching
Jun 16 Watch World Year of Physics Celebrates Einstein’s Theories In 1905, a 26-year-old patent office clerk named Albert Einstein published his theory of relativity, advancing physics research worldwide. In 2005, the World Year of Physics is celebrated to commemorate the 100th anniversary of the theory's publication. Continue watching
May 27 Watch New Technologies Underscore Nuclear Proliferation Challenges The ease with which states and others might obtain nuclear technology has made the job of U.N. officials charged with policing the spread of nuclear material that much more difficult. Jeffrey Kaye of KCET-Los Angeles reports on the science behind… Continue watching
May 25 House Approves Stem Cell Bill; Senators Call for Action By PBS News Hour Despite President Bush's veto threat, senators who support embryonic stem cell research on Wednesday called for a quick vote on a House-approved bill to allow more funding of stem cell research on human embryos that would otherwise be discarded. Continue reading