Source: NASA

A lot has changed since my high school days when the periodic table hung on the wall off to the side of the blackboard.

The plain white poster was designed primarily to show atomic weights (allowing for my faulty memory), whether an element was metal or not, reactive or not, a noble gas, or a stable isotope.

Some of the wonks at NASA have updated the table to show where each element comes from cosmologically. I find it amazing we know this.

Here is NASA’s description:

The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen. Much of the iron in your body was made during supernovas of stars that occurred

Keep reading this article on Barry Ritholtz - The Big Picture.

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