At 5,100 meters above sea level, this settlement is the highest permanent place humans live on Earth. Oxygen levels are ...

Medical experts caution that exposure to extreme cold without proper clothing can have serious consequences. Inadequate ...

Research reveals when and why ancient tropical seas transitioned from oxygen oases to marine dead zones, providing clues to ...

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

BENGALURU: Around a dozen fish were found dead at Harohalli Lake in Yelahanka on Saturday morning, raising concern among ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

New research reveals how ocean viruses burst algae cells, fueling a subsurface oxygen band through rapid microbial recycling.

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

To be where we are today, it’s just a remarkable success story, and one that we hope will continue for Long Island Sound.” ...

Denver is known for its high altitude, sitting over 5,000 feet above sea level. Mass General Brigham's Dr. Miho Tanaka says ...

Researchers at Wakayama Medical University in Japan have discovered that amyloid-β deposits disrupt the formation of the ...