Just as a living being has tissues and organs, society has structures that provide it with resilience and allow it to adapt ...

Created by microscopic artist David A. Lindon, the record-breaking sculpture measures just 0.00099 by 0.00086 inches and ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion ...

The new Guinness World Record holder for the smallest hand-made sculpture is so miniscule that you can’t even see it with the ...

A Bournemouth artist has created a Lego brick smaller than a white blood cell, earning him a Guinness World Record.

Every day, hospitals throughout the U.S. transfuse blood or blood components, such as platelets, to save the lives of people who are in car crashes, and victims of fires and other emergencies.

People who sit on the low or high side of normal vitamin B12 levels are still at risk of cognitive impairment, according to a ...

Researchers have revealed how Staphylococcus aureus bacteria extract iron from hemoglobin—a process crucial to their survival ...

Medically reviewed by Gagandeep Brar, MD Bone marrow is the deep, interior portion of your bone. Your bone marrow, which has a spongy consistency, fills the cavities inside your bones and produces ...

Medically reviewed by Brian T. Luong, DMD Anemia (a lack of healthy red blood cells) can produce a swollen and painful tongue (glossitis), sometimes called “anemia tongue.” Anemia has many causes, ...

All three were hooked up to machines that provided a readout of their vital signs, and all three were prepared to have a ...