Maangchi's career was born when her son suggested she start making videos of herself cooking Korean dishes.
While some expectant parents wait to find out the sex of their baby, and others want to know after a couple of months of ultrasounds, a growing number of Americans are now using medical techniques to choose the gender of their child.
Jasmeet Sidhu writes in Slate magazine that U.S. parents tend to prefer girls over boys, and are using expensive reproductive procedures to make sure they deliver a daughter.
One gender selection technique, known as preimplantation genetic diagnosis (PGD), involves culturing embryos to find out what sex the child will be. In another method, sperm is sorted based on whether it carries an X or Y chromosome.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.