Ever since people began trying to summit Mount Everest ... eagerly to see what our data will look like. Will we see the changes we expect from sea level to the top of the mountain?

Located in the Himalayas near the China-Nepal border, Mount Everest is said to be the planet's highest mountain above sea level ... and vertiginous don’t-look-down moments are what give it ...

We work best at sea level, where oxygen ... life-saving equipment like supplementary oxygen tanks. All told, climbing in the Death Zone is "a living hell," as Everest climber and 1998 NOVA ...

Everest's peak sits 5.5 miles above sea level. To get to the summit, climbers must brave the "death zone," the area more than 26,000 feet up, where the body cannot get enough oxygen. But the ...