The Leading Edge

  • September 20, 2017  

    Tuesday’s earthquake was Mexico’s second in less than two weeks, bringing back memories of the country’s catastrophic 1985 earthquake that killed thousands. What makes the region prone to earthquake damage? Judy Woodruff asks seismologist Lucy Jones to explain the science. Continue reading

  • September 13, 2017  

    Some 800 million miles away, NASA’s Cassini spacecraft has orbited Saturn and captured images of its rings and icy moons. After nearly 5 billion miles traveled and 20 years of sending revealing data from the gas giant, Cassini is winding down its way toward a suicide plunge into the planet. Science correspondent Miles O’Brien reports on how NASA is choreographing the spacecraft’s final dive. Continue reading

  • September 6, 2017  

    Robotics experts at Carnegie Mellon University are harnessing technology to address the rush-hour traffic that plagues commuters across the country. Using artificial intelligence and existing infrastructure, their software could reshape the daily commute for drivers, cyclists and pedestrians by reducing travel times and fixing potholes. Jeffrey Brown reports.
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  • August 30, 2017  

    Nature is taking a devastating toll in both the U.S. mainland and in countries like India, Bangladesh and Nepal, where monsoon rains are causing floods and hundreds of casualties. Directly attributing these individual weather events to global warming is a tricky undertaking for scientists. Science correspondent Miles O’Brien reports on what data suggests about the connection.
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  • August 23, 2017  

    Exxon Mobil has been criticized for allegedly hiding what it knew about the perils of climate change. Now researchers from Harvard University have published a study alleging that the oil and gas giant tried to systematically mislead the public about climate change for 40 years. William Brangham learns more from science correspondent Miles O’Brien. Continue reading

  • August 16, 2017  

    A dazzling spectacle will grace the United States from coast to coast on Monday, when the moon passes between the sun and earth, climaxing with momentary darkness. Science correspondent Miles O’Brien joins Hari Sreenivasan to discuss the science and what to expect as millions plan to witness a out-of-this-world eclipse. Continue reading

  • August 9, 2017  

    As high-density, industrial-scale livestock farms have become fertile breeding grounds for disease, they’ve also become a major source of drug-resistant superbugs. Science correspondent Miles O’Brien and economics correspondent Paul Solman team up to report on how scientists are studying how superbugs can get into the food supply. Continue reading

  • August 2, 2017  

    Each year, superbugs — viral bacterial infections resistant to common antibiotics — infect more than two million Americans, killing at least 38,000. As the list of antibiotic-resistant bacteria grows, so have the extraordinary efforts to prevent the spread of infection from patient to patient. Science correspondent Miles O’Brien and economics correspondent Paul Solman team up for a report. Continue reading

  • July 26, 2017  

    The largest study to date on the dangers of hard hits and concussions in football concluded that 110 of 111 deceased former NFL players had chronic traumatic encephalopathy, or CTE, raising even stronger concerns about the risks of brain injury from playing the sport. Hari Sreenivasan talks to Michael Alosco of Boston University CTE Center, who is a co-author of the study. Continue reading

  • July 19, 2017  

    Electric cars have a reputation for being a pricey, niche product that only a handful of people would want or could afford. But that reputation is starting to crumble as carmakers promise to put electric vehicles in reach for more consumers. Sonari Glinton of NPR joins William Brangham to discuss the realities of the market and how Tesla’s cheaper electric car could shape the industry’s future. Continue reading

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