Science

  • June 7, 2012    

    The thrill of gazing into a night sky packed with stars, constellations and a stretch of our Milky Way galaxy is primal and timeless — and it’s become increasingly rare. Skyglow from city lights can travel up to 200 miles, … Continue reading

  • June 6, 2012    

    For those Earthlings lucky enough to be under cloudless skies during the Venus transit on Tuesday, the planet took the form of a tiny dot gliding across the Sun’s Northern hemisphere. (Editor’s note: it was a bust at NewsHour headquarters … Continue reading

  • June 6, 2012   BY  

    For those Earthlings lucky enough to be under cloudless skies during Tuesday’s Venus transit, it took the form of a pea-sized dot gliding across the Sun’s northern hemisphere. For more perspective, NASA has collected a stunning sampling of images both from space telescopes and International Space Station astronauts. Continue reading

  • June 6, 2012    

    In the late 1940s, Sir Andrew Huxley and Sir Alan Hodgkin teased a nerve cell from an Atlantic squid, placed it into a seawater bath and zapped it with currents. Then, with the data, they built a mathematical model that … Continue reading

  • June 5, 2012    

    Raccourci Old River is known as one of the best fishing spots in Point-Coupee Parish, Louisiana. This community of more than 400 homes draws flocks of fishermen who spend days on the water and docks reeling in crappie, bluegill, and … Continue reading

  • June 5, 2012    

    In the 18th century, astronomers used the solar transit of planet Venus to calculate the distance from the Earth to the sun. After the 1882 Venus transit, John Philip Sousa scored a march in its honor. Since it was first … Continue reading

  • June 4, 2012    

    Roughly 50 percent of people show signs of arthritis in the knee, and scientists at Stanford University believe better walking habits can go a long way to alleviate the pain. Mark Cutkosky, a Stanford University mechanical engineer, studies arthritis sufferers … Continue reading

  • June 1, 2012    

    As the sun sets on June 5 in North America, a last-in-a-lifetime astronomical event will be visible to those who wish to look. Just don’t do it with your naked eye. A transit of Venus, wherein the planet Venus visibly … Continue reading

  • June 1, 2012    

    In collaboration with Louisiana Public Broadcasting, the PBS NewsHour examines the vanishing coastline of Louisiana and the effect it’s having on the native tribes who live there. This report is part of our series Coping with Climate Change. Continue reading

  • June 1, 2012   BY  

    There are few places in America that are as vulnerable to climate change as Isle de Jean Charles in coastal Louisiana, which has been home for generations of native tribes. The island is on the frontlines of erosion, saltwater intrusion and intensifying storms and floods as sea level rise becomes an increasingly larger problem. Continue reading