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. Enjoy!

Here’s the current lineup for episode #12:

• Blood sugar affects your brain health
• Tapeworms change ant immunity and make them lazy
• New COVID-19 research about the lining of your blood vessels
• Larger pupils indicate higher intelligence
• One bad experience with food leaves a lifelong impression
• Gut bacteria can play a role in your mortality risk
• Playing red light, green light to control gene expression

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