Biological Methods of Extracting Metals: Pros and Cons

The video explains the concept of biological methods of extracting metals. It explains the conventional methods of extracting metals using chemical reactions or electrolysis and the limitations of these techniques when dealing with low grade ores. The video goes into detail about how bacteria and plants are used to extract metals from ores and soil, respectively. Advantages and disadvantages of using biological methods are discussed and the video ends with a note on the potential profitability of these methods in the future.