Key Concepts: 1  Legumes (family Fabales) develop root nodules that harbour Rhizobium bacteria (rhizobia). 2  Endosymbiotic bacteria (bacteroids) convert nitrogen to ammonia (biological nitrogen fixation). 3  Legume crops restore fertility to agricultural soils by capturing nitrogen from the atmosphere.
Benefits of Wearing Gold: 1. Gold has healing property: Pure gold helps in healing the wound and controlling infections in the body. It is said that if a person places a piece of 24 karat gold (pure gold) on an infected area in the body or on a sore wound, the gold helps in reducing the infection.
The gold standard for cancer treatment. 1  In the past, the best-known medical use of gold in the human body was probably limited to dental repairs, and even then considered by some to be a little ostentatious! But now, with the support of the EU, a multi-award-winning research project is demonstrating that gold can have unforeseen benefits in cancer treatment.