Our understanding of both clogged arteries and the building blocks of DNA are thanks to the groundbreaking work of Dr. Marie M. Daly, the first Black woman in the U.S. to receive a Ph. D. in chemistry.

Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological...

Today on SciShow news, dead person wisdom is helping enrich our understanding of the natural world - how did Vikings manage to be such awesome navigators? And is heart disease inherent in human beings? Scientists think mummies may have...

The SciShow Science News Bureau brings us some GOOD news this week - Hank tells us about a newly developed vaccine for dengue fever, a newly discovered monkey species in the Democratic Republic of the Congo, and some happy pigs drinking...

This week in SciShow News, Hank tells us about some weird science, including a squid that's not a squid, animals that can talk, and new insights into how you can mess up your body much faster and for much longer than you ever thought...

That terrible pain the befalls us when enjoying an icy treat! How does that happen? Is there a cure? Let Hank explain.

Paul Andersen explains how hugs between tissues can help maintain homeostasis. Countercurrent heat exchange allows heat to stay within the core of the body. Close contacts between the capillaries and alveoli allow our body to maintain...

Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause...

Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world's leading killer. So what causes a heart attack?...

Equipped with unique adaptations that make them both good at hunting and getting their creep on, owls are totally the ninjas of the bird world.

On today's episode of Crash Course Anatomy & Physiology, Hank continues our exploration of tissues, with an introduction to your connective tissues.
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Paul Andersen surveys the circulatory system in humans. He begins with a short discussion of open and closed circulatory systems and 2,3, and 4-chambered hearts. He describes the movement of blood through the human heart and the blood...

Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.

Howcast - Learn if marijuana cures glaucoma in this Howcast video.

Animation showing the build up of plaque in the arteries, slowing or blocking the flow of blood in the body

An animated look at coronary artery disease

Surgeons in New Delhi are revolutionizing heart surgery with a minimally invasive, robotically controlled technique that eliminates the need for surgeons to enter the patient's chest cavity. This innovative procedure is not only safer...

Fizzy takes the Lunch Labbers on a fishing trip. Can his special catch-of-the-day recipe change Avril’s mind about eating fish? Also, Sully takes Pat the Good Fat for a ride up to the brain and Freezer Burn sings a sea(food) shanty.

Dr. Forrester teaches about your circulatory system and muscular system.

This video highlights a groundbreaking heart procedure using a new, advanced stent technology that allows patients to avoid full heart bypass surgeries. The procedure is minimally invasive, with patients back on their feet within hours...

Explore the intricacies of Peripheral Artery Disease (PAD) with this visually captivating animation. Using a creative storytelling approach and the metaphor of a distribution chain, you'll discover how the arteries face restricted blood...

This video highlights two groundbreaking advancements in scientific research. The first is the use of a robotic submarine to gather data on the thickness of Antarctic ice and estimate marine food sources, aiding in the study of global...

University College London researchers have developed a groundbreaking method using alginate gel to engineer human tissue, including replacement arteries for heart bypass operations. By combining the gel with a patient's own cells, a tube...

This video provides important information about recognizing the warning signs of a heart attack, emphasizing that they can differ from the classic chest pain symptom, especially in women. It highlights the critical importance of seeking...