A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s ...

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

Janay Reece came back home to Baltimore to join WJZ in August 2023. Before coming back to the Charm City, Janay was a morning anchor and reporter for WDBJ7 in Roanoke, VA. She joined the WDBJ7 morning ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...

A recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...

Jennifer Mallon receives funding from US-UK Fulbright Commission, Smithsonian Institution Fellowship Program, University of Glasgow Early Career Mobility Award and the Link Foundation. Adrian Michael ...

For the average person, living at high altitude—where oxygen is sparser than at sea level—can have health benefits ranging from lower rates of heart disease to increased endurance. But for those born ...

In its natural state, peatland is one of the largest carbon stores in nature. This is because the soil is so waterlogged and ...

The breath you just took contains about 21 percent oxygen. But if you were in a chamber with no influx of fresh air, the oxygen level would slowly diminish. If it got to about 15 percent, you’d feel a ...

Scientists studying ancient ocean fossils found that the Arabian Sea was better oxygenated 16 million years ago, even though ...

Key findingsArabian Sea was better oxygenated 16 million years ago than it is today, despite warmer climate conditions.Monsoons, ocean circulation ...