"...the site also contains perforated shell ornaments and a carved piece of mammoth ivory apparently the head of a small human figurine. It could represent the earliest known piece of figurative

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"The greatest mass extinction of all time led to the proliferation of complex marine life that quickly dominated the undersea scene, according to a new analysis of the fossil record."

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"Where did our planet get the stuff from which life is made? The sources seem surprisingly diverse, and we’re learning more about how organic materials may have complemented each other in forming

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"Titan's atmosphere is considered ideal for gaining a better understanding of the early days of Earth's atmosphere because it and proto-Earth are believed to have emerged with similar atmospheres

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"So-called Pulses are times of sudden, catastrophic events like asteroid impacts, whereas Presses are periods of multigenerational stress on ecosystems, such as massive volcanic eruptions."

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"...species diversity and environmental changes were "decoupled" long before the extinction. Conditions on the planet were deteriorating long before species began to die off ... casting

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"A century and a half after the first Neanderthal bones were coaxed from a German lime quarry, new evidence suggests that these puzzling hominids survived thousands of years longer than anyone th

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