(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our planet. Their remarkable adaptability to different environments has long fascinated scientists, with each ...

Scientists at the Gladstone Institute of Cardiovascular Disease (GICD) have traced the evolution of the four-chambered human heart to a common genetic factor linked to the development of hearts in ...

Researchers have discovered a 380-million-year-old heart -- the oldest ever found -- alongside a separate fossilized stomach, intestine and liver in an ancient jawed fish, shedding new light on the ...

In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and countless different ...

Heart disease is still a new disease, and we can adapt accordingly. By Haider Warraich Dr. Warraich is a cardiologist. For much of history, there were three great threats to human survival: infections ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. One celebrated advance to come from transcatheter aortic ...

Aha! It 'developed' a four-chambered heart. Evolution at its most elementary. When I mentioned this problem to scientist friends they assured me that my problem with the delay was solved by evolution ...

After my heart surgery three years ago I attended cardiac rehabilitation sessions. Usually we had to walk on a treadmill at ever increasing speeds or ride a stationary bike. Once a week we also ...