The brain is one of the body’s most energy-demanding organs, accounting for 2 percent of the body’s weight but consuming 20 ...

All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions.

The brain is one of the body’s most energy-demanding organs, accounting for 2 percent of the body’s weight but consuming 20 ...

While most people mark their age by the number of birthdays they've celebrated, scientists have long known that the body's organs do not all age at ...

Artificial blood could reduce preventable deaths in settings where limited supply costs millions of lives in low-income countries.

What if humans were harvested for their blood — not in a horror movie, but as a systemic reality? In this chilling video, we explore the concept of human blood farming, blending science fiction ...

A simple consultation during unrelated visits to the emergency room can help patients with high blood pressure—"the silent killer"—manage the condition, even before they experience symptoms ...

The DNA of human cells consists of a sequence of about 3.1 billion building blocks. Cells go to great lengths to maintain the integrity of this vast store of information. They constantly untangle ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body ...

Discover some surprising facts about human blood—and a few cringe-worthy theories that preceded the modern scientific understanding of this vital fluid.

She started with growing blood vessels in the lab from just a few cells collected from pig arteries. When she transplanted them into the animal, they worked like the real thing.

After 50 years, scientists discover the MAL blood grouping system, solving a genetic mystery and improving transfusion safety worldwide.