Women 'Smell' Their Competition

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Women 'Smell' Their Competition         Just a whiff of a woman close to ovulation is enough to stimulate another woman's testosterone levels. Read More WATCH VIDEO: Love Stinks: The Smell of Attraction There's a reason you're attracted to certain scents and it has to do with your own natural smell. The NFL Freak Injury Report         NFL players expect to get injured -- just not like this. Read More WATCH VIDEO: Football Helmets Detect Concussions The padding in a new football helmet can help prevent serious injury. Animals That Use Flash to Attract         The sexual displays of many animals are more about dazzle than discretion. Read More WATCH VIDEO: Do I See Colors the Same Way You Do? Is the way you see color the same way everyone else does? Should You Feel Better Buying Organic? Video         What are you really getting when you buy something with that "organic" label? Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2013 Discovery Communications, LLC