Nat Comm paper featured in USC news and elsewhere.

https://news.usc.edu/144479/vagus-nerve-research-gut-instinct-may-have-been-gps-of-early-humans/

https://www.independent.co.uk/life-style/food-and-drink/gut-instinct-best-meals-food-memory-how-brain-nervous-system-a8398561.html

https://www.livescience.com/62825-brain-gut-connection-helps-form-memories.html