heart
Image of the Day: Cold Hearted 
Image of the Day: Cold Hearted 
The Scientist Staff, The Scientist Staff | Jan 22, 2018
Cardiologists have found a way to cool the human heart in a localized way to help reduce muscle damage from heart attacks. 
Why Afternoon Open Heart Surgery Is Better for Patient Outcomes
Why Afternoon Open Heart Surgery Is Better for Patient Outcomes
Catherine Offord | Oct 27, 2017
Research in human patients and mice reveals the role of the circadian clock in the risk of heart damage at different times of day.
Macrophages Are the Ultimate Multitaskers
Macrophages Are the Ultimate Multitaskers
Claire Asher | Oct 1, 2017
From guiding branching neurons in the developing brain to maintaining a healthy heartbeat, there seems to be no job that the immune cells can’t tackle.
Infographic: Macrophages Around the Body
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
Image of the Day: Heart Shapes
The Scientist 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
Image of the Day: Mitochondria, Live and in Color
The Scientist 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
Image of the Day: A Heart is Born
The Scientist 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
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
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 FoodInfographic: A Body Without Food
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.