When temperatures rise above 20°C, fewer baby boys are born compared to girls, a new study has found. Researchers at the University of Oxford found that heat exposure can increase prenatal mortality ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Robert Kelly is managing director of XTS Energy LLC, and has more ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...