Today, we reach the last element on the periodic table — but only alphabetically speaking.
Let’s look past the bad reputation this element has to learn how it’s an essential part of an idyllic childhood.
Like argon, today’s noble gas coincidentally features prominently in science fiction — albeit in name only. But krypton also takes a place in the science factual story of international weights and measures.
Cobalt is a tricksy little element, which means the scientists who’ve dealt with it the most are some of the cleverest people to have ever walked the Earth.