A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood ...

WASHINGTON (AP) — Prick a finger and have the blood checked for parasites — by smartphone? Scientists are turning those ubiquitous phones into microscopes and other medical tools that could help fight ...

Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots tangled together with sticky immune webs known as neutrophil extracellular ...

Scientists have developed an innovative diagnostic technology that analyzes the full drying process of a blood droplet using machine learning. The process could transform medical and biological ...

Look at blood smeared across a slide under a microscope, and you see a mystery revealed. The ruby-colored, vital, fluid of life we call blood is made of lots of stuff. There is the liquid plasma that ...

NEW YORK (Reuters Health) - When a dipstick test suggests there's blood in the urine, the next step should be to examine a sample of the urine under a microscope to make sure the dipstick result is ...