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

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 ...

Watch a white blood cell actively searching for bacteria or viruses under the microscope. Gingrich suggests Trump’s Greenland push just 'a lot of noise' CBS airs pulled '60 Minutes' report on El ...