Helping homeowners and real estate professionals eliminate cigarette smoke and persistent indoor odors without costly ...

Collectively, the "price nature pays" for our reliance on generative AI in 2025 is equivalent to the environmental footprint of one of the world's largest cities.

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.

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 ...

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

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

Oxygen is a vital and constant presence on Earth today. But that hasn't always been the case. It wasn't until around 2.3 ...

A new study suggests that some of the world’s oxygen-deprived oceans could eventually regain higher oxygen levels in the ...

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

The "Home Alone" and “Schitt’s Creek" star died of a pulmonary embolism, which affects the lungs, and she also had rectal cancer, according to her death certificate.

Obstructive sleep apnea disrupts brain function in several ways, including low oxygen levels, interrupted sleep, and vascular risk. Several regions throughout the brain may shrink, and the ...

Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...