These sites help students visualize what large numbers, such as one million, look like. There are online representations of a million, plus hands-on activities. Find out your age in millions of seconds.
Lemon has also been found beneficial as a home remedy for knee pain caused by arthritis. The citric acid found in lemon works as a solvent for uric acid crystals, which is the cause of some types of arthritis. Cut one or two lemons into small pieces. Tie the pieces in a cotton cloth and dip it in warm sesame oil.
Process: 1  Take 1 tbsp of apple cider vinegar in a container. 2  Add 1 tbsp of olive oil to it and stir well. 3  Apply it to the front and back of the knee area.  Allow it to remain for 30 1  minutes. Rinse the affected area with fresh water to get rid of both back and front knee pain.