Understand how heat and elevation redefine your airplane's limits before you head into the mountains this summer. The post Density Altitude: It's Real, and It Deserves Respect appeared first on Plane ...

The Estadio BBVA in Monterrey is actually closer to sea level than the two other Mexican host cities Julio Cesar Aguilar/AFP via Getty Images It was 1969 and Joao Saldanha was on the search.

This week, Kilian Jornet, one of the world’s most accomplished ultrarunners, attempted to set a world record for summiting Mount Everest without supplemental oxygen or fixed ropes. He zoomed from the ...

At last, you’ve arrived in Cuzco, Peru — you’re ready for your dream trek to Machu Picchu. There’s just one problem: You can barely catch your breath, your stomach is churning and, in the morning, ...

An electronics and engineering team from Raven Aerostar launches a high-altitude balloon from Andoya Air Station to sense a simulated target in the Norwegian Sea during the Thunder Cloud exercise in ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...