For this week's Ask Science Mike, we address the following questions: Why do siblings fight so often? Where do fossil fuels come from? What’s the science behind picky eaters? Why are women usually colder than men? You're in charge of this program. All you have to do is submit a question using #asksciencemike on Twitter, YouTube, or Soundcloud. You can also submit questions anonymously on asksciencemike.com. The easiest way to get new episodes is to subscribe on iTunes here. Ask Science Mike is made possible by listeners like you. Learn more on our Patreon page. Here are some resources on each answer if you'd like to dig deeper. Why do siblings fight so often? Examining The Science Of Sibling Rivalry Where do fossil fuels come from? Where do fossil fuels come from? What’s the science behind picky eaters? Why Are You a Picky Eater? Blame Genes, Brains and Breast Milk The Biology of Picky Eating Why are women usually colder than men? Why Do Women Feel Colder Than Men? Why do women's bodies run colder than men's? Hot and Cold natures and some parameters of neuroendocrine and immune systems in traditional Iranian medicine: a preliminary study. Ask Science Mike is produced by Gregg Nordin. The Ask Science Mike theme song was written, performed, and recorded by Jeb Bodiford. If you need original podcast music, he's your guy. You've got questions, he's got answers. Even though we may not understand he'll talk anyway. You've got problems, he won't solve them, But he'll talk and talk and talk until he's blue in the face. Science, faith, and life - Ask Science Mike.