Vegetable organisms which can be seen only under the microscope.
The knowledge of bacteria and their work is recent and limited. "Crops and Methods for Soil Improvement", Alva Agee.
The knowledge of bacteria and their work is recent and limited.
When the Wren makes a nest for herself, I shall convert this house into a big laboratory, and be at home only to bacteria "The Crown of Life", George Gissing.
When the Wren makes a nest for herself, I shall convert this house into a big laboratory, and be at home only to bacteria
The separating of masses of stone by means of an explosive substance. ...