After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
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The ancient Egyptians thought the function of the brain was to produce snot.
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The cat brain weighs about 30g.
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An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
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We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
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