Mitochondria are essential for cell survival, repair, and adaptation. Not only do they generate most of the energy needed ...

Improvements in public health have allowed humankind to survive to older ages than ever before, but, for many people, these added golden years are not spent in good health. Aging is a natural part of ...

The body’s cells respond to stress—toxins, mutations, starvation or other assaults—by pausing normal functions to focus on conserving energy, repairing damaged components and boosting defenses. If the ...

Our single-celled ancestor lived in a world without plants, animals or oxygen-rich oceans. Yet, this seemingly simple microorganism took the first steps toward complex life. From this ancestor emerged ...

At the heart of our cells, a previously unknown structure has just been identified, shedding new light on essential biological mechanisms. This discovery could transform our understanding of certain ...

Adaptability may be the defining characteristic of our species — not our large brains, our long legs, or our ability to make tools, but our ability to rapidly learn new skills and behaviours in ...