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.
1 (Aleve or Naprosyn) and ibuprofen (Advil or Motrin) also play a role in the treatment of knee pain.  These drugs directly control pain and, at higher doses, act as anti-inflammatory agents, helping to stop inflammation. Like all medications, however, these drugs have potential side effects.