Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool ...

Chronic hypoxia improves glucose tolerance in mice through insulin-independent mechanisms, with red blood cells acting as a major systemic glucose sink. Increased erythrocyte production and altered ...

The Federal Reserve’s decision on whether to cut interest rates again depends heavily on the uncertain “neutral rate,” the level at which policy neither slows nor stimulates the economy. With rates ...

Just over two years into Colorado’s wolf reintroduction effort, 12 of the 25 wolves brought from Oregon and British Columbia have died. Colorado Parks and Wildlife maintains that while the level of ...

There are no official numbers for the optimal levels of testosterone, but certain medical laboratories use the following reference values for typical total serum testosterone, measured in nanograms ...

We earned some bragging rights last week when temperatures plunged last Friday. The temperature dipped to 21 below zero at MSP Airport, the coldest reading in seven years — since late January 2019, ...

A study published in the American Journal of Human Biology suggests that Western medical standards for male testosterone might not reflect the natural variation found in different environments.

No bulk or screen; looks like a regular lock from both sides of the door. Impressive design with the battery hidden inside the lock bolt. Great battery life. App is beautiful and easy to use. More ...

KYIV, Jan 20 (Reuters) - Ukraine's Chornobyl Nuclear Power Plant has been connected to the country's power grid following an overnight Russian air attack on Ukrainian energy facilities, and radiation ...