In the slyly charming “The End of Romance,” Lily Meyer puts a graduate student with big ideas about love and autonomy to the personal test. By Alexandra Jacobs Our columnist on three excellent, twisty ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

Materials science is an interdisciplinary field concerned with the understanding and application of the properties of matter. Materials scientists study the connections between the underlying ...