Let’s start with a quick biology refresher: Mitochondria are the powerhouse of the cell. They convert the food we eat into ...

Organic solar cells have long promised a future of lightweight, flexible energy harvesting, but their tendency to degrade ...

Researchers at the University of Virginia School of Medicine have identified a specific enzyme inside immune cells that keeps Toxoplasma gondii, one of the most common brain parasites on the planet, ...

A new study identifies an extreme but effective way that brain immune cells can prevent the parasite Toxoplasma gondii from spreading: they kill themselves to eliminate the dangerous microbes they ...

Doctors usually focus on a person's average blood pressure, but research increasingly shows that how much blood pressure ...

Scientists uncover a new “recipe” that shows how exhausted T cells can be reprogrammed to regain their ability to attack tumors.

Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

Nucleotide synthesis—the production of the basic components of DNA and RNA—is essential for cell growth and division. In most ...

By Dennis Thompson HealthDay ReporterTHURSDAY, Feb. 19, 2026 (HealthDay News) — Ultra-marathon runners must be incredibly fit to endure races that can extend more than 100 miles, but their bodies pay ...

When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.