The electromagnetic spectrum is the collective term for all known frequencies and their linked wavelengths of the known photons ( electromagnetic radiation ).
How your brain can heal your body: Astonishing new research reveals the brain's ability to rewire itself can conquer pain - and overcome 'untreatable' illnesses. Pain specialist Dr Michael Moskowitz was 49 when he and a friend decided to take a look at some army tanks and other armoured vehicles that were about to take part in a parade.
Here are some things you can do to keep your mind healthy: 1  Reduce stress in your life. 2  Make time in your life for things that are fun. 3  Get enough sleep. 4  Get help if you feel depressed or anxious for more than several days at a time.