Take Note Radio: Stem Cell Research & MacArthur

Scientists may have found a less controversial way of getting special human cells capable of growing into nerves, organs or any other cell in the body. We'll talk about a potential breakthrough in stem cell research. We'll also talk with a MacArthur "Genius" award winner about what she's gleaned from preserved remains of ancient plants about long-ago civilizations. Guests: Kent Vrana & Lee Newsom