Optical art by Gianni Sarcone Focus on the ball at the center of the image above. The scene appears to vibrate. If you move your head slightly forward and backward, the color fields of the rosette appear to pulsate.
Ginger is an ancient Chinese remedy for migraine, yet there were virtually no large clinical trials before this study. Ginger has proven to be as strong as the strongest medication for immediately stopping migraines and comes without the dangerous side effects. Study: http://3dayheadachecure.com/migraine-prevention/ginger/