In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

When temperatures soar, so do heart attacks. Now, a lab experiment explains just how temperatures climbing into Fahrenheit’s three-digits can cause ischemia and potential heart attacks, all while ...

An astronaut working with one of the experiments aboard the International Space Station. Astronauts aboard the International Space Station are hard at work on research guided by students and ...

Sometimes, when I was watching various artificial heart experiments in the basement of the Texas Heart Institute, I wondered if I was experiencing something akin to Thomas Edison’s housekeeper. That ...

A new set of heart-on-a-chip experiments are heading back up to the International Space Station. Projects by teams from Stanford University and Johns Hopkins University will be part of the payload ...

👉 Watch the video of Sarah’s science experiment at Lamar Elementary School here! Hello parents, teachers and students! Got too many candy hearts for Valentine’s Day? Make a jumbo popsicle stick ...

This important work identifies phlda2 as a specific marker for primordial cardiomyocytes in the adult zebrafish heart and demonstrates their essential role in myocardial morphogenesis and coronary ...

WASHINGTON (AP) -- Draw a vial of blood from someone with advanced heart failure. Zap the blood with heat and other stresses, then inject it back in hopes the altered blood cells will trick the ...

The "beating heart" method, though experimental, allows the heart to continue beating even after it is harvested, giving doctor's more time to make a successful transplant.