1. &quot;Seigniorage&quot; is the word for profit earned by a government printing money in comparison to the cost of the materials and labor. 2. The Purple Heart Medals awarded to American soldiers in Iraq and Afghanistan were originally manufactured in preparation of a bloody invasion of Japan in 1945. 3. Guitarist Tiago Della Vega can play &quot;Flight of the Bumblebee&quot; at 320 beats per minute!