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.
Gold and Silver Jewelry not only adds beauty to a person who wears it, wearing gold and silver on the body has also numerous health benefits. I am presenting you the facts you may love. Go for them!
Nanotechnology For Dummies, 2nd Edition. Nanotechnology researchers are looking into possibilities of using gold at the nanoscale to target drug deliveries, clean up the environment, and even treat persons suffering from hyperthermia. Gold is an element used in jewelry, coins, dentistry, and electronic devices. Gold is even used in some medicines.