A new study revisits a century-old question about how turbulence starts. The findings could potentially influence not only aircraft engineering but even the design of mechanical heart valves, and ...

Sport-related concussions are mild traumatic brain injuries that demand timely recognition and management. This review explores current evidence on pathophysiology, diagnosis, and treatment strategies ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...