Heart

Unable to attend the funeral, an Australian farmer made a video of sheep in the shape of a heart to express his grief for his aunt, who died after a two-year battle with cancer.

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Australian Farmer Expresses Grief With 'Sheep Art' Heart

The sheepherder couldn't attend his aunt's funeral, so he made her a huge heart out of hundreds of sheep—and captured it all from above using drone footage

Neither the FDA nor the researchers would identify the brands tested for the study. They also are not advocating that pet owners discontinue using dog foods containing peas at this time.

Are Peas in Common Dog Foods Contributing to Canine Heart Disease?

At this time, the FDA is not advocating that pet owners discontinue using any specific brand. But studying legumes may lead scientists to the root cause

Giraffes are just as astonishing on the inside as they are to look at. Standing up to 19 feet tall, they require enormously high blood pressure to pump blood up to the head, yet they suffer few, if any, of the consequences that people with high blood pressure would.

The Cardiovascular Secrets of Giraffes

Because of their height, giraffes require scarily high blood pressures—yet they escape the massive health problems that plague humans with hypertension

Cardioids begin to pulse with a heartbeat after seven days of development.

Innovation for Good

This Lab-Grown Mini Heart Can Keep a Beat

The creation, called a cardioid, will help with the study of heart disease and the discovery of new medications

Spindly legs and thick, red fur have earned maned wolves the nickname “foxes on stilts,” but the animal is neither fox nor wolf.

Smithsonian Voices

What the Rhythm of a Maned Wolf's Heart Reveals

Smithsonian researchers are monitoring stress rates of this keystone species for better ways to manage them

Cases of MIS-C are very rare and are mostly popping up in COVID-19 hotspots

Covid-19

What Experts Know About a Rare Inflammatory Syndrome Linked to COVID-19

The syndrome resembles a childhood illness called Kawasaki disease, but research is ongoing about both conditions

New Research

New Study Shows Coffee—Even 25 Cups a Day of It—Isn't Bad for Your Heart

Researchers from Queen Mary University of London have found that coffee consumption does not stiffen arteries

In 1954, John Kirklin of the Mayo Clinic created the Mayo-Gibbon heart-lung machine when he modified a design pioneered by John Gibbon. The machine is now in the collection of the Smithsonian National Museum of American History.

This 1950s Heart-Lung Machine Revolutionized Cardiac Surgery

Open-heart procedures evolved rapidly once Mayo Clinic surgeon John Kirklin made his improvements to an earlier invention

Lead author Tal Dvir says, "Maybe, in ten years, there will be organ printers in the finest hospitals around the world, and these procedures will be conducted routinely"

Scientists Used Human Tissue to 3-D Print a Tiny Heart

The technique could eventually be adapted to create full-sized organs personalized to each patient

In a feat of surgical skill, Denton Cooley attached the temporary artificial heart device in only 47 minutes.

The Rivalry Between Two Doctors to Implant the First Artificial Heart

Featuring titans of Texas medicine, the race was on to develop the cutting-edge technology

Compared to traditional open-heart surgery, TAVR is a relatively simple procedure that finds cardiologists using a catheter to insert a replacement valve

This Minimally Invasive Technique Could Reduce the Need for Open-Heart Surgery

Clinical trials suggest TAVR is just as beneficial as, or perhaps even better than, open-heart surgery for low- and high-risk patients alike

Art Meets Science

A New Project Weaves Patient Stories Into Art

A bioengineer collaborates with artists, clinicians and patients to come up with an art exhibition with heart

New Research

Gene Editing Treats Muscular Dystrophy in Dogs

CRISPR gene editing has relieved symptoms of a canine version of Duchenne muscular dystrophy in four puppies, raising hope for humans

Haze in Kuala Lumpur, Malaysia.

New Research

Air Pollution Is Stealing a Year of Life From People Around the Globe

Tiny particles that contribute to lung disease, strokes and heart attacks are robbing Americans of 4 months and over 1.8 years of life elsewhere

A fruit fly (Drosophila melanogaster) feeding off a banana.

How Fruit Flies Stay Young at Heart

Researchers link structural alterations to fruit fly hearts to longevity-promoting changes in metabolism

Why We Should Test Heart Drugs On a 'Virtual Human' Instead of Animals

Thousands of animals are used for heart drug tests each year—but research shows that computer-simulated trials are more accurate

New Research

Narwhals Have a Strange Stress Response

When the creatures are frightened, they both flee and freeze

Chopin at 25, by his fiancée Maria Wodzińska.

Chopin’s Preserved Heart May Offer Clues About His Death

Scientists who recently examined the organ have suggested that Chopin died of complications from tuberculosis

A statue of Frank Pantridge outside the Lisburn Civic Centre in Northern Ireland. His defibrillator sits beside him.

The Irish Cardiologist Whose Invention Saved LBJ

Frank Pantridge miniaturized the defibrillator, making it portable

Irregular heart rhythms

The Innovative Spirit fy17

Turning Irregular Heartbeats Into Music

A set of piano pieces could help doctors better understand heart rhythm disorders