• 10:21am Apr 26, 2013
    Science Science Environment

    Great Salt Lake Is No 'Dead Sea'

    Parts of Utah's Great Salt Lake are 10 times saltier than the ocean. But the lake is host to plenty of life, including salt-loving microbes that can turn the lake's water bubblegum pink. Bonnie Baxter, director of the Great Salt Lake, discusses how the bugs might hold the secrets to better sunscreen, hydrogen fuel cells--even life on Mars.
  • 8:16pm Apr 25, 2013
    National National Environment

    Illinois River Crests To All-Time High Near Peoria

    Peoria has a front row seat to the great Illinois River flood of 2013. A temporary flood wall is in place and pumps are keeping the water at the lowest points from coming up through the sewers and into the store fronts. Whether their property is underwater or not, the resolve of people living and working along the Illinois River isn't wavering.
  • Members of the research team fend for themselves in a communal kitchen (while fending off persistent ants) before heading out for a challenging day on the reef.
    Richard Harris / NPR
    9:52pm Apr 22, 2013
    Science Science Environment

    This Scientist Aims High To Save The World's Coral Reefs

    Ken Caldeira is trying to come up with a big solution to the problem of increasingly acid oceans: antacids for coral reefs. That might keep the reefs from being destroyed by humans' use of fossil fuels. And that's not his only big idea. But even Caldeira admits that his audacious plan could fail.
  • A glass-bottomed boat glides along water in Silver Springs, Fla. The springs, once a major tourist destination, have declined both in volume and in water quality.
    Greg Allen / NPR
    5:24pm Apr 13, 2013
    Science Science Environment

    Now Endangered, Florida's Silver Springs Once Lured Tourists

    Countless movies were filmed there, including Tarzan and Creature From the Black Lagoon. With its wildlife and freshwater springs, Silver Springs in Central Florida was one of the state's most popular tourist destinations. Those waters have receded now as the delicate ecosystem suffers from problems that threaten the entire state.
  • 1:03pm Apr 12, 2013
    Science Science Environment

    Monitoring the Monarchs

    Last month monarch butterflies began an annual northward journey from their overwintering habitat in Mexico. Monarch expert Lincoln Brower discusses the dwindling monarch populations, and explains how habitat loss in Mexico and a decline in milkweed plant numbers in the U.S. may be harming the familiar orange and black fliers.