Human immune cells are under constant evolutionary pressure, primarily through their role as first line of defence against pathogens. Most studies on immune adaptation are, however, based on ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

The vascular system has many different functions across the human body beyond its role in oxygen and nutrient transport. We explored vascular cell heterogeneity by integrating single-cell ...

Some discoveries change the way we view the human body. In 2021, researchers described what they saw when they had examined skin-biopsy samples that included tattoos: The ink particles had traveled ...

Most people rarely think about how they breathe unless experiencing respiratory distress. Yet emerging research suggests that the pathway through which we inhale and exhale – nose versus mouth – ...

OVER the past few weeks, we’ve been examining each body system in detail. This week and next, we will focus on our final, most vital system: the reproductive system. Our focus this week will be on the ...

A new imaging breakthrough combines ultrasound and light-based techniques to generate vivid 3D images that show both tissue structure and blood vessel activity. Developed by researchers at Caltech and ...