Sonia Sofia Stefanidou, a Greek woman who served as a nurse in 1941, and later went on to operate as a spy against the German ...

In 1940, the United Kingdom endured constant German Luftwaffe raids. Aircraft and pilot losses stretched the country’s ...

Over the past two decades, intermittent hypoxic training (IHT), that is, a method where athletes live at or near sea level but train under hypoxic conditions, has gained unprecedented popularity. By ...

Performance in athletic activities that include a significant aerobic component at mild or moderate altitudes shows a large individual variation. Physiologically, a large portion of the negative ...