http://adf.ly/1SZdI2, http://adf.ly/1XIsTW, http://www.ctvviet.com, http://www.nhac24.com <br />If you're feeling sleepy today, you're among millions who struggle with a seasonal time change. In today's show, find out why dozens of countries "spring forward." We'll also show you how scientists are hunting viruses in the caves of South Africa, and we'll explore how Japanese officials are still testing playgrounds, soil and the sea for radiation contamination.
