Utah State University biologist Zachariah Gompert asks questions about evolution that have been eluding scientists for decades and he and colleagues are using the flood of new genetic tools to find clues to one of their main questions - is evolution predictable and repeatable? Sheri Quinn talks to Professor Gompert about his study recently published in the journal Science.
Science Questions explores the PBS Newshour broadcast Arctic Thaw. Melting ice in the Arctic is beginning to affect the daily lives of residents of the Pacific Northwest, Alaska and beyond. The consequences are the subject of a series of reports on PBS NewsHour both on air and online.