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Facts that Seem Fake, But Are Actually True

Stashed in: Brain, The Universe, Stars!, Interesting

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5. There are more synapses (nerve connections) in your brain than there are stars in our galaxy. -Submitted by Jim Preston

synapses versus milky way stars

Astronomers estimate that there are more than 200 billion stars present in the Milky Way Galaxy. That's a lot of stars.

But neuroscientists estimate the number of synaptic connections in the average 3-year-old is close to 1 quadrillion. After that, a refining process occurs, leaving the average adult with about half that many, or roughly 500 trillion synapses.

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