SciTech Now

Sunday, December 31, 05:30 pm on KPBS

Duration: 0:26:46

Description: On this episode: When Superstorm sandy swept across much of the eastern seaboard it left massive damage. On Fire Island, New York, the storm left behind a breach or a land gap that threatened local communities. the national park service was left with a decision, close the gap or wait and see what happens. five years later, we visit the island to see how nature took its course; The American chestnut tree was once a staple of U.S. landscape numbering over a billion. But by the 1950s a fungus had eliminated many of the species. Now after 35 years of research professor William Powell of the State University of New York College of environmental science and forestry in Syracuse has developed a blight resistance American chestnut tree to restore the population he hopes. He joins Hari Sreenivasan; Scientists have made great strides in developing drugs to fight cancer. But some cancers have now become resistant to drug therapies. In this segment we meet researchers from the Moffitt Cancer Center in Tampa, Florida, who are using mathematical modeling to help fight drug resistant cancers; Although it's well known that seahorses and their cousins the Pipefish are the only vertebras where males become pregnant. Researchers have only begun to understand how this unique adaptation works by studying their behavior and sampling molecules within the males pouch. Biologist Tony Wilson and his lab at Brooklyn College in New York, have found that seahorse pregnancy may have a deeper genetic link to other forms of pregnancy than previously thought.

[HD]

Broadcast In: English