All blood in the human body is red in color. It is untrue that deoxygenated blood is blue. Human blood contains hemoglobin, which is a complex protein molecule in red blood cells. Hemoglobin ...

First blue-eyed human, a dark-haired lactose-intolerant infant, found in 17,000-year-old remains. ... which reduces the body's ability to produce the brown eye pigment melanin.

An ambitious project launched in 2016 has made a dent in one of biology’s greatest challenges — with more than 3,600 researchers profiling more than 100 million cells.