In this Episode of The Human Upgrade™...​Cool Facts are quick hits of new human and world science curated into short bursts of information just for you. This fun compilation publishes one Friday a month.• Saving your poop may save your microbiome• Insults trigger a mini slap in the face• Young cerebral spinal fluid supports memory in aging brains• The distinct role your nose plays in your friendshipsEPISODE SPONSOR: Get Fit in Five Minutes: Go to https://www.carolbike.com. Use code HumanUpgrade to get 2 years of free membership (a total savings of $360). CAROL Bike also offers a 100-day home trial of the CAROL Bike 2.0. Learn more: How to Hack Your Cardio Workout – Ulrich Dempfle– #978.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.