Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

Before we pinpoint the "arrow's" target, let's establish a foundational understanding of the heart's major components. The ...

Action is needed locally, nationally, and internationally to curb sales of new sports utility vehicles (SUVs) to reduce their potential harms to health and the environment, say experts in The BMJ's ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...

All bodily systems are connected and help inform one another; some link in ways that may surprise you. A new study highlights ...

The United States is facing a demographic shift as the population of older adults grows rapidly, with the proportion of ...

The human heart has the ability to repair itself, scientists have found, in a breakthrough that could provide a lifeline for hundreds of thousands of patients. When someone has a heart attack or heart ...

The African human rights system is the "youngest" regional system. One of the most distinctive features of the African Charter on Human and People's Rights is its recognition of collective rights. It ...