Latvians celebrate the summer solstice

The World

Latvians mark the summer solstice by celebrating the longest day of the year. Also, a new discovery of a rare genetic mutation of one family in Colombia may present an opportunity to learn how the body could naturally resist Alzheimer’s. And, new mothers in different parts of the world find that preparing the traditional foods of their own mothers and grandmothers from their home countries can ease the transition to motherhood. Plus, a look at the intersection of fashion and sports as Paris hosts the Summer Olympic Games.