Gisselle Vasquez, a 35-year-old single mom, was hired as a Spanish-speaking secretary for Principal Evelina Medina, 42, at the Robert C. Dodson School, an 865-student magnet school five minutes ...

Key Concepts Physics Pressure Bernoulli's principle Airflow. Introduction Have you ever seen pictures or videos of a roof being blown off a house during a hurricane or tornado? You might be ...