Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by ...

Bacteria are only the only organisms that are able to 'fix' nitrogen, or remove it from the atmosphere and convert it into a useful form. While some plants seem to fix nitrogen, it is actually ...

Researchers have now taken a step toward that vision of molecular systems that repair cells inside the human body. Molecular repair built from a patient’s own cells will eventually ferret out cancer, ...

NASA proposes to pioneer a radically new approach to mitigating radiation-induced cell damage in astronauts by transplanting new undamaged mitochondria (critical radiation-sensitive cell organelles) ...