Where did the Elements Come From?

The elements that make up our world and our selves, where do they come from? Sure there is plenty of Oxygen in the air, Silicon and Carbon are just lying around, and a bunch of other stuff can be found across our planet.  but where did they come from originally? We know that most of the elements are synthesized within stars, but which ones aren’t? Which ones are made in a lab? The Big Bang gave rise to the first elements Hydrogen and Helium, which eventually clumped together to form the first stars and star producing the heavier stuff.  Lithium,...