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 friendships

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