So, in addition to using reliable machines, our cells have a three-pronged motto to stay alive: ceaselessly check for errors, constantly repair, and continually replace.

Death and life have been considered for millennia as complete opposites, a binary switch with permanent reversal. But creative new research suggests a possible third state of life whereby cells ...

Researchers redefine what it means for a cell to be alive or dead. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2024 / 11 / 241127135412.htm. University of Tokyo.

Epithelial tissues are in constant interaction with their environment. Maintaining their functionality requires dynamic ...

Most tissue cells, whether animal or vegetable, are transparent to ordinary light. ... Science: Cells Alive. 2 minute read. TIME. November 27, 1950 12:00 AM GMT-5.

Cells deteriorate, and the connections between neurons crumble. Scientists have believed those changes are irreversible unless blood is quickly restored. Researchers at Yale University acquired ...

Alveolar epithelial type 1 cells, which line lung tissues, are crucial to the exchange of oxygen and carbon dioxide gases. And alveolar type 2 cells or ( AT2 s) are known to act as stem cells to ...