Handedness (left vs. right) is about 70% heritable — no single gene controls it.
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The invention of the compass improved long-distance navigation.
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The development of CT scans improved diagnostic precision.
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Memories are reconstructed each time you recall them.
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The Golden Gate Bridge was completed in 1937.
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Humans are generally better at recognizing faces than other complex patterns.
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Spinosaurus is believed to have spent time in water.
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The Panama Canal uses a system of locks to lift ships.
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The FBI's COINTELPRO targeted several activist groups in the 1960s and 1970s.
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