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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.

• How a gene interferes with memory linking in the brain.
• How fearful memories are seared into your brain.
• How a new device stimulates the vagus nerve to help people learn a new language.
• How global warming impacts your sleep quality.
• How and why people age, according to a new theory.

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