Ever wanted to know why we have dreams or why ball lightning exists? Well, tough, because no one knows.

While reading Matt Muir’s weekly masterpiece, Imperica, I stumbled across a rather pointless yet fascinating website — Wikenigma. Wikenigma is an ‘encyclopaedia of unknowns’. Essentially, it’s a website that documents all the gaps in human knowledge.

Are you fascinated by etymology and want to know where the word ‘dog’ originates from? Too bad, researchers have no clue. In fact, they cite it as ‘one of the great mysteries of English etymology.’ Interested in the power of free will and whether we actually have it? It turns out, no-one is certain.  There are a whole variety of unknowns in Wikenigma that are fascinating to read about, even if you never find out the answer.

So, if you want to find out some more unknowns, check out Wikienigma and educate yourself on the greatest mysteries of mankind.