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When did simple life become more complex, such as the modern animals we see today? A recent study may have uncovered evidence for one of these turning points. At Nilpena National Heritage Site, South Australia, scientists discovered new fossils that have never been seen before.

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How and why humans exist are questions that have challenged different cultures ever since the dawn of civilization. Many scientists have taken upon their shoulders the duty of answering these fundamental questions, coming up with several especially creative ideas over the past few decades.  One prominent idea is that…