Double X Science

Welcome to Double X Science for June 22, 2013. This week's hosts are Adrienne Roehrich, chemistry editor, and Jeff Perkel, tech editor. Our topics cover posts since the end of May: Early Puberty Among Adoptees by Health Editor Tara Haelle http://www.doublexscience.org/adoptees-early-puberty-rates/ Calculating Vaccine Risk by Contributor Alison Hagood http://www.doublexscience.org/calculating-vaccine-risk/ Arousal during rape by Contributor Jenny Morber http://www.doublexscience.org/arousal-during-rape/ Five Reasons Mermaids are Impossible by Editor-in-Chief Emily Willingham http://www.doublexscience.org/five-reasons-mermaids-are-impossible/ On Pacifiers and Breastfeeding by Health Editor Tara Haelle http://www.doublexscience.org/of-pacifiers-and-breastfeeding/ Chasing Tornadoes is an Old Habit by Tech Editor Jeffrey Perkel http://www.doublexscience.org/storm-chasers-colonial-edition/ Sizing Up the Mother in Me by Contributor Joss Fong http://www.doublexscience.org/sizing-up-the-mother-in-me/ He foun