Science

  • May 18, 2012  

    Clay Johnson, author of “The Information Diet: A Case for Conscious Consumption”, discusses with Hari Sreenivasan how abundant technology affects our health — producing pulsing side effects such as “email apnea” or “reality dysmorphia.” Continue reading

  • May 17, 2012    

    On Saturday, if all goes as planned, the privately owned spaceflight company SpaceX will launch its Dragon capsule into low-Earth orbit and three days later dock with the International Space Station. It would be the first such flight for a … Continue reading

  • May 16, 2012    

    On April 12, 2011, a 59-year-old woman with a sensor implanted in her brain picked up her cinnamon latte with a robotic arm, brought it to her lips and took a sip through a straw using only her thoughts. It … Continue reading

  • May 16, 2012  

    Researchers have shown that patients paralyzed from the neck down can move robotic arms with their minds, according to a new report in the journal Nature that documents two cases involving brain-stem stroke victims. Margaret Warner discusses the hopes for the technology with Dr. Leigh Hochberg of Massachusetts General Hospital. Continue reading

  • May 14, 2012    

    Nature is a great architect, and the vascular network – or veins – of a leaf are key to its structure. Mathematical physicists at Rockefeller University use fluorescent dye and time lapse photography to digitally study microscopic patterns within these … Continue reading

  • May 10, 2012    

    Editor’s note: On Thursday’s NewsHour broadcast, science correspondent Miles O’Brien reports on the debate over using chimpanzees for biomedical research. First, here’s an inside look at one of the sanctuaries profiled in the piece. At Chimp Haven, chimpanzees roam freely … Continue reading

  • May 10, 2012  

    Medical experiments on chimpanzees can be invasive, involving injections, blood samples and liver biopsies. But some say it’s the only way to advance medicine. Miles O’Brien’s report explores whether there are ever instances in which the scientific value of research should offset the moral cost of working with chimps. Continue reading

  • May 8, 2012    

    Take a deep breath and exhale thousands of clues about your health. Perena Gouma and her team at Stony Brook University have developed a breathalyzer with a sensor chip that can detect diseases and disorders like diabetes, high cholesterol and … Continue reading

  • May 7, 2012    

    An edible waterbug. Photo by Sevda Eris / KQED When I told my wife and family that I was going to be eating insects as part of a story I was preparing for the PBS NewsHour, the universal response was … Continue reading

  • May 7, 2012  

    Most Americans would squirm when even thinking of eating a grasshopper or locust. But a movement is afoot to encourage insect eating with advocates praising bugs’ low fat and high protein. Spencer Michels tasted wax moth larvae tacos and crispy mealworms over ice cream to prepare this report on efforts to put bugs on U.S. menus. Continue reading