Researchers used algebra and geometry together to solve an old random walk problem. Random walk ideas have informed everything from biology to video games. This team identified a key geometry idea ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

Brain fog is a symptom, not a diagnosis, that can cause confusion, memory problems, lack of concentration, and mental fatigue that disrupts daily life. Common causes include chronic stress, lack of ...

Neck pain or stiffness often results from poor posture, muscle strain, or an awkward sleeping position. However, it can also signal injury or illness. Common neck pain symptoms include stiffness, ...