Abraham Lincoln grew from youth to manhood on this southern Indiana soil. Many character and moral traits of one of the world's most respected leaders was formed and nurtured here. Explore Lincoln's boyhood and learn about the boy who would one day become the leader of our nation.
Cardiopulmonary resuscitation, commonly known as CPR, is an emergency procedure that combines chest compression often with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
How do tracer bullets work? I had always been told and thought that tracer rounds work by being tipped with magnesium which burns due to air friction when fired. however, i recently was told by a friend that they work by having a small incindiary compartment in the back of the bullet that is ignited by the gunpowder when the round...