For decades, biologists assumed a cell's energy simply diffused to wherever it was needed. It turns out the most important ...

Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy. But how do cells get this energy in the first ...

Researchers have discovered a surprising change in how cells produce energy in people with depression. Brain and blood cells in young adults with major depressive disorder produced more energy ...

Energy can never be created or destroyed. That's basic Physics 101. You simply cannot create energy out of thin air. Yet researchers at Kyushu University in Japan say they have developed a technology ...

How the Sun's energy gets to us How solar cells and solar panels work What energy solar cells and panels use What the advantage and disadvantages of solar energy are This resource is suitable for ...

Cancer cells mount an instant, energy‑rich response to being physically squeezed, according to a study published in the journal Nature Communications. The surge of energy is the first reported ...

A positron-emission tomogram of a human brain. A positron-emission tomography (PET) scan can detect where glucose is going in the brain—but not at the cellular level. Credit: Shutterstock Glucose is ...

The discovery that tissues use electricity to expel unhealthy cells is part of a surge of renewed interest in the currents flowing through our bodies. We’re used to thinking of the brain as an ...