Most of the matter in the universe is dark matter, an invisible, untouchable, mysterious substance. Scientists don’t know what exactly dark matter is, despite decades of searching. But recently, they got a new clue in the form of an extremely tiny dancer.

This episode is a remix of two prior episodes of Unexplainable, which has been airing on broadcast radio through a partnership with American Public Media.

For more, go to http://vox.com/unexplainable

It’s a great place to view show transcripts and read more about the topics on our show.

Also, email us! [email protected]

We read every email.

Support Unexplainable by making a financial contribution to Vox!

bit.ly/givepodcasts

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Podden och tillhörande omslagsbild på den här sidan tillhör Vox. Innehållet i podden är skapat av Vox och inte av, eller tillsammans med, Poddtoppen.