Pilots should add a few knots (e.g., 10, or half the gust speed) to their takeoff and initial climb speed in gusty conditions to increase safety margins against inadvertent stalls. Takeoff in gusty ...

Last October, my daughter Elizabeth and I stood at Londorossi gate (elevation 2,250 metres), the western entrance to Mount Kilimanjaro National Park in Tanzania, ready to begin the nine-day Lemosho ...

You balance on tiny nubs and ledges. You grip rocky edges, protrusions and pockets. Your forearms burn, and your palms begin to sweat. You remind yourself to breathe, put your weight on your toes and ...