Sorry, But This Gross Fish-Worm Is Your Prehistoric Ancestor [Science]

Meet the 505-million-year-old Pikaia gracilens. Everything we know of this prehistoric "fish-like worm" is discerned from its fossils, but a close investigation reveals that these wiggly little guys might be your oldest ancestors. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/4Fn9zMN4dls/sorry-but-this-gross-fish+worm-is-your-prehistoric-ancestor

Lori Heuring Lorri Bagley Lucy Liu Luján Fernández