This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For the last five years, researchers have been analyzing bird DNA. That effort has now completely altered our understanding of which bird species really...
By Lisa Schlein Geneva 23 May 2006 Public Health Experts attending the World Health Assembly say the H5N1 virus in birds is rapidly spreading around the world. The World Health Organization urges nati...
