Women kind of have one of these. They're able to identify males with high testosterone by looking at them and being near them. http://www.huffingtonpost.com/20

Women kind of have one of these. They're able to identify males with high testosterone by looking at them and being near them. http://www.huffingtonpost.com/2013/04/18/mens-smell-testosterone-attractive-to-women-study_n_3110182.html http://www.huffingtonpost.com/2013/04/18/mens-smell-testoste... http://healthmad.com/mens-health/women-can-smell-testosterone/ http://healthmad.com/mens-health/women-can-smell-testosteron...