Baby Boom Times Two

Twins are in the news lately: A-listers Beyoncé and Jay Z just welcomed the two newest members of their family, while George and Amal Clooney did so earlier this year. It’s not just happening in Hollywood: Recent CDC data show that the U.S. twin birth rate hit an all-time high in 2014 before ticking down ever-so slightly in 2015. What’s going on? Rising…