A newborn baby's brain grows to 80% of adult size in the first three years of life.
Fact #5986
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The Earth's inner core is primarily iron and nickel.
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The hatchetfish has a flattened body adapted to deep water.
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The human body glows faintly in complete darkness.
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The heart pumps blood through approximately 60,000 miles of blood vessels.
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The Earth's rotation is gradually slowing over time.
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Fossils are formed when remains are preserved in rock over millions of years.
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Your bones are stronger than steel.
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The human liver can regenerate lost tissue.
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