Common weedkiller turns male frogs into females February 6, 2011 | No Comments (Reuters) – Atrazine, one of the most commonly used and controversial weedkillers, can turn male frogs into females, researchers reported on Monday. http://www.reuters.com/article/idUSTRE6204RG20100303?feedType=RSS&feedName=environmentNews&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+reuters%2Fenvironment+%28News+%2F+US+%2F+Environment%29