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Image of the Day
Infographic: Macrophages Around the Body
Claire Asher | Sep 30, 2017
In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.
Image of the Day: Heart Shapes
Staff | Sep 29, 2017
High-resolution MRI reveals that human fetal hearts rapidly develop their major structures within a four-day period.
Image of the Day: Mitochondria, Live and in Color
Staff | Sep 27, 2017
Mitochondria age differently depending upon whether they’re located in the liver, heart, or kidney, scientists find in flies and mice.
Image of the Day: A Heart is Born
Staff | Aug 28, 2017
To track distinct populations of developing cardiovascular cells, scientists used pulses of electricity to introduce fluorescently labeled DNA into chick embryos.
Heart’s Backup Pacemaker Mechanisms Identified
Diana Kwon | Jul 28, 2017
The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.
Scientists Create See-Through Hearts
Diana Kwon | Jul 13, 2017
A new tissue-clearing technique reveals blood vessel networks and collagen scaffolds of dog and human cardiac tissue.
Infographic: A Body Without Food
Bob Grant | May 31, 2017
Mounting evidence suggests that intermittent fasting causes significant changes to various organs and tissue types.
PCSK9 Drug Reduces Heart Disease Risk
Diana Kwon | Mar 21, 2017
A cholesterol-lowering drug significantly cut the risk of heart attack and stroke in a recent study. But is it worth the steep cost?
Image of the Day: Electronic Beats
Staff | Feb 26, 2017
Scientists create an artificial heart fiber that can mimic the movement in a living heart.
Q&A: Improving Cardiac Cell Therapy
Kerry Grens | Nov 15, 2016
caught up with cardiac stem cell researcher Mark Sussman to get his thoughts on the American Heart Association’s Scientific Sessions meeting.