We live under the assumption that time flows in one direction—past to present to future. You wake up, drink your coffee, scroll on your phone, and move forward through the day. But what if time ...

On an early October night in 1989, a four-year-old girl was shocked awake by a phone call and a scream. She tiptoed barefoot on the clammy vinyl tile of the hallway. “He died in a car accident!” her ...