How to diagnose 'persistent infection' that leads to gastritis, gastric ulcers, and gastric cancer —Helicobacter pylori ...

A seventh grader from Palatine, Illinois, has turned eggshells into calcium carbonate crystals and used them to investigate ...

A cell sitting in fluid looks like one of the most passive things in biology. Nutrients drift toward it on the aimless ...

A new review argues that stable isotope fractionation patterns, long used to reconstruct Earth's history, could become ...

Researchers isolated phosphate-solubilizing fungi from an abandoned phosphate mine in China and showed that a three-strain ...

IIT Gandhinagar researchers find that active enzymes can accelerate molecular movement outside cells and boost transferrin ...

If crops showed yellow stress before knee-high, surface inhibitors or the wrong nutrient form were likely to blame. Ken ...

A hemoglobin test checks how well your red blood cells are carrying oxygen in your body. The results can help to diagnose health conditions. For example, low hemoglobin levels can be caused by iron ...

A dark line on your home COVID test usually means you’re positive and have a lot of the virus. Even if the line is faint, consider the test positive and be cautious to avoid spreading COVID. The test ...

The best at-home COVID-19 tests are FDA-authorized, easy to use, accurate, quick, and can also detect flu viruses. Lauren Paige Richeson is an Editor at Health, where she’s been writing, editing, and ...

The best at-home STD tests offer fast and accurate results, use CLIA-certified labs, and accept health savings accounts (HSAs) and flexible spending accounts (FSAs). Most modern STD tests are highly ...