Mar 28 Watch Extended Interview: Janet Woodcock Discusses Cancer Biomarkers Dr. Janet Woodcock, chief medical officer of the Food and Drug Administration, discusses how cancer biomarkers may change cancer screening and treatment. Continue watching
Mar 28 Watch Extended Interview: Dr. Lee Hartwell Discusses Cancer Biomarker Research Nobel laureate Dr. Lee Hartwell, president and director of the Fred Hutchinson Cancer Research Center, discusses the future of cancer research and cancer biomarkers. Continue watching
Mar 28 Watch Researchers Seek Ways to Find Early Signs of Cancer Biomarkers, changes in a protein that indicate the progression of a disease, hold promise for different fields of medicine. NewsHour health correspondent Susan Dentzer reports on the use of biomarkers in the early detection of cancer. Continue watching
Mar 23 Watch Environmental Activist Questions the Goals of Globalization In the fourth installment in a series of conversations about the impact of globalization, NewsHour economics correspondent Paul Solman interviews Vandana Shiva, an activist at the forefront of the fight against globalization for nearly three decades. Continue watching
Mar 21 Watch Gore Urges Congress to Take Action on Climate Change Former Vice President Al Gore returned to Capitol Hill Wednesday to testify about global climate change. Gore told a congressional panel that global warming is "a true planetary emergency" and urged Congress to take action. The NewsHour presents excerpts of… Continue watching
Mar 16 Watch Oceanic Expedition Uncovers Vast Genetic Diversity A two-year study of the world's oceans revealed an unprecedented level of genetic diversity in marine microbes. Expedition leader J. Craig Venter discusses the study and its significance. Continue watching
Mar 15 Watch Dogs Shed New Light on Cancer Genes in Humans Cancer researchers are finding that purebred dogs may help provide answers about the genetic basis of cancer -- in dogs and humans -- because the dogs' small genetic pool makes it easier to isolate cancer-causing genetic mutations. The NewsHour provides… Continue watching
Mar 14 NASA Spacecraft Discovers Possible Seas on Saturn’s Moon By PBS News Hour Visual and radar images from NASA's Cassini spacecraft have revealed what seem to be several seas -- probably filled with liquid methane and ethane -- on the surface of Saturn's moon Titan. Continue reading
Mar 14 Oceans Study Reveals 6 Million New Genes By PBS News Hour Scientists spent two years trawling the oceans for bacteria and viruses, and in the process discovered 6 million new genes, doubling the number known on Earth and holding promise for new antibiotics and alternative energy sources. Continue reading
Mar 02 Watch Port Cities Work to Rid Air of Pollutants Air monitoring stations in communities adjacent to California ports record dangerous levels of nitrogen oxide as well as fine soot and sulfur oxides. The NewsHour reports on how port cities are working to combat the pollution. Continue watching