lack of oxygen

At five miles above sea level, the oxygen in the air is so thin that even with supplemental oxygen tanks, climbers feel like they are

The attempt to climb Mount Everest requires months, sometimes years of training. To date, more than 300 people have been confirmed dead during the climb.

Fishermen in California state waters do not understand why millions of deadly fish died in a harbor near Los Angeles yesterday (March 8).

Scientists have deciphered the genome of the colorful tortoise named

With harsh natural conditions, dangerous terrain and deadly altitudes, Mount Everest fully converges elements that threaten to rob the lives of any climber.

In order to avoid oxygen deprivation, the victim should lower his head to the middle of his legs to increase blood flow to the brain, limiting talking or working hard to avoid