Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...

Of 3 recommendations provided for home oxygen use in patients with COPD, a strong recommendation was made for providing at least 15 hours per day of long-term oxygen therapy (LTOT) in those with ...

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

In 2026, VARON continues to focus on clarity, reliability, and long-term user support. By offering a clearly structured lineup--from high-performance portable devices to clinical-grade home ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Sandra Gordon is a journalist specializing in health and medicine for consumers and healthcare providers. Her work has appeared in major magazines and websites, including Prevention, Parents, Medical ...

Oxygen therapy can help treat cluster headaches. However, current research does not support its use for migraine and other headache types. Oxygen therapy involves breathing in air that contains 100% ...

Aerobic respiration began hundreds of millions of years earlier than previously thought, a new study suggests.

"We burn through oxygen every day," a New York doctor said. Hospitals across the U.S. battling the coronavirus have been consistently reporting shortages of personal protective gear, ventilators and ...

As the climate crisis becomes a part of daily life with unprecedented heat waves and cold snaps, technology to effectively remove greenhouse gases is emerging as a critical global challenge. In ...