The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts ...

New York Giants quarterback Jaxson Dart returned to action on Monday Night Football after missing two games with a concussion. The rookie quickly threw caution to the wind by opting to stay in bounds ...

Reaction kinetics and dynamics refers to the study of why, how and how fast chemical processes take place. Chemists seek to understand the details of change at the molecular and quantum level and how ...

Sideways scattering oscillations reveal geometric phase effect and isotope effect in the H + D 2 → HD + D reaction When a wave packet traces a conical intersection, its phase must change a sign. The ...

In 1942, the Manhattan Project needed to create a chain reaction—a crucial step toward proving that it would be possible to make an atomic bomb. The scientists achieved this sustained nuclear reaction ...

Dave Grohl is one of the coolest, most accomplished musicians in rock history — and he can now add "Master Rickroller" to his long line of awe-inspiring titles, right below "Literal Rock Royalty." The ...