Footer 1

Nav Bar

Become a subscriber today to get unlimited access

Member-exclusive 

Finish this story and enjoy unlimited, ad-free access to Nautilus. Plans start at $6.17/month, billed annually.

Read without limits

Exclusive Social Sale: 25% off&nbsp;for new customers that came in from a social platform. September only.&nbsp; “One magazine has risen above its old school competitors to become&nbsp; the coolest science journal in the world.”&nbsp;—Europa Content.&nbsp;

Unlock this story + our newsletter, for FREE! Already a newsletter subscriber? Just click the "Log in" link above. 

Register to continue reading.

Nautilus

Brian Gallagher is an associate editor at Nautilus. Follow him on X (formerly known as Twitter) <a href="https://twitter.com/bsgallagher/" rel="noopener">@bsgallagher</a>.

Brian Gallagher

Psychology

The “Emodiversity” of Star Wars

kreia