It turns out that preservation of these structures is widespread, confirming the ancient origin of this type of circulatory ...

Paleontologists at the Manitoba Museum and Royal Ontario Museum (ROM) have discovered a remarkable new 506-million-year-old ...

Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one of the most fossil-rich areas of the world.

It's one of the most profitable service lines in American medicine, generating an average of nearly $3.7 million in revenue per cardiovascular ... the U.S. health care system each year ...

Choose from Human Cardiovascular System stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

Choose from Heart Diagram Illustration stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

Cardiac crisis survivor, Dr. Melvin Echols shares how experiencing life as a patient transformed his approach to cardiology and patient care.

The time of ED discharge will be verified from the patient tracking system and recorded in the CRF ... without indicating which specific group each code refers to. A CONSORT20 diagram will be used to ...