Things Science Still Doesn't Know

Thanks to science, we know a lot of things that our ancestors did not. How diseases spread, for example, and why the continents are shaped like that, and that there actually isn’t a tiny man in every sperm.

But there are a bunch of relatively simple questions that still remain elusive. Read on to discover the secrets the universe has still not given up.

10 Things Science Still Doesn't Know

You might think we would have these basic things figured out, but no.