Tiny animals like oysters, mussels, zooplankton, and insect larvae filter debris and algae to keep lakes, rivers, and seas clear.

As temperatures drop and winter storms lead to power outages, emergency responders often witness a troubling rise in carbon ...

Dr. Wessler is a self-confessed health tracking enthusiast and has also participated in large-scale clinical trials that helped bring cardiac monitoring technology to market. Highlights Only ...

Doctors in Brazil discover and confirm that a woman has blood with male chromosomes, a rare case of human chimerism.

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

Brain fog and fatigue might not be aging. Check these 8 signs that your 'forgetfulness' is actually a Vitamin B12 deficiency.

The improvement is already helping marine life rebound, with more fish and other species returning to the body of water. Reiners' son made guests uneasy at party day before his parents were found dead ...

Those who have recently departed O2 or attempted to do so have received an important warning. Money Saving Expert (MSE) reports the telecommunications firm has incorrectly added several hundred pounds ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

NEW DELHI – The morning air in Rajasthan’s Sikar district felt different on Sunday: thicker, heavier, and strangely bitter. People stepping out for school and work slowed down, coughing and wiping ...