Almost all living things breathe oxygen to eliminate the excess electrons produced when nutrients are converted into energy.

Engineers at Princeton showed that some types of soil bacteria can influence a plant’s balance of growth and defense. The ...

The protode-stamped bacteria were then transferred to a sealed chamber, to which hydrogen was added. Electrical probes at two ...

When grown on plates containing the piece of flagellin ... secretion system -- a protein complex that can move substances out of bacterial cells and into the environment, including inside plant ...