Apr 11 Watch New Cell Phone Technology Can Track Users With Global Positioning System chips now installed in some cell phones, parents can use phones to keep tabs on their children and businesses can track the whereabouts of delivery truck drivers. But the new tracking systems leave some privacy advocates… Continue watching
Apr 10 Watch Climate Change Experts Look to European Model for Curbing Emissions An international panel of scientists issued a report last week on the potential impacts of global warming. In the first part of a series on climate change, an advocate for an emissions cap-and-trade system used in Europe explains how it… Continue watching
Apr 06 Watch Climate Change Will Hit Poor Hardest, U.N. Panel Says Changes to Earth's climate and ecosystems will hit the world's poor the hardest, according to a report released Friday by the Intergovernmental Panel on Climate Change. Two of the report's lead authors, Michael Oppenheimer and Joel Smith, discuss the science… Continue watching
Apr 03 Watch Honeybee Disappearance Puzzles Scientists Beekeepers and farmers around the country are worried this year as the honeybees used to pollinate crops have been vanishing from their hives, a phenomenon known as "colony collapse disorder."… Continue watching
Mar 29 New Study Finds Dinosaurs’ Extinction Had Little Impact on Mammal Evolution By PBS News Hour The extinction of dinosaurs over 65 million years ago did not foster a breeding ground for ancestors of modern-day mammals, as scientists had previously thought, according to a study released Thursday in the journal Nature. Continue reading
Mar 28 Watch Extended Interview: Dr. Nicole Urban Explains Clues of Cancer Dr. Nicole Urban of the Fred Hutchinson Cancer Research Center talks about the "holy grail" of biomarker research and explains the clues to cancer that doctors seek in patients. Continue watching
Mar 28 Watch Extended Interview: Dr. Anna Barker Discusses Cancer Biomarker Research Dr. Anna Barker, deputy director of the National Cancer Institute, discusses how cancer biomarkers -- changes in the body's cells that can indicate cancer -- may improve cancer screening and treatment. Continue watching
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