Where were you when humans first set foot on the moon? When the Berlin Wall came down? When the US Supreme Court legalized same-sex marriage across the country? People tend to remember where they were ...

In some sense, what you might have suspected from the first day of high-school chemistry is true: The periodic table is a colossal waste of time. Nine out of every 10 atoms in the universe are ...

Editor's note: The following is a text-only version. The complete version with artwork is available for purchase here (PDF). The periodic table of the elements is one of the most powerful icons in ...

Imagine that Superman's opposite-in-all-ways enemy, Bizarro, taught high-school chemistry. (Bizarro does enjoy inflicting punishment, after all ...) What sort of periodic table would hang on the wall ...