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World’s first right-hander could be this 550 million-year-old worm
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World’s first right-hander could be this 550 million-year-old worm

So, it turns out that right-handedness might date back to some of the earliest complex life on Earth! Researchers have found that fossils of an ancient worm-like creature, Spriggina floundersi, show a preference for turning right, suggesting handedness is deeply rooted in our evolutionary history. This fascinating discovery from 550 million years ago highlights how even the earliest animals had behaviors that resemble what we see in humans today. It’s amazing to think that something as simple as a preference for one side could have such ancient origins.
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