A view from Earth of a slender crescent moon in close proximity to the two brightest planets in the sky, Venus and Jupiter. Justin Lane/epa/Corbis hide caption

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Loose-leaf green tea of the modern variety. Archaeologists have discovered ancient tea in the tomb of a Chinese emperor who died in 141 B.C. It's the oldest known physical evidence of tea. But scientists aren't sure if the emperor was drinking tea as we know it or using it as medicine. iStockphoto hide caption

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The position of the hands of this skeleton, one of several excavated at Nataruk, suggests her wrists may have been bound. This woman, found reclining on her left elbow, with fractures on the knees and possibly the left foot, was found surrounded by fish. Marta Mirazon Lahr/Fabio Lahr/Cambridge University hide caption

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Wood specialist Mike Bamforth examines the base of a Bronze Age wooden bucket at the excavation site. Dave Webb/Cambridge Archaeology Unit hide caption

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Geneticists found clues to a disease of iron storage in the remains of several Bronze Age inhabitants of what's now Rathlin Island in Northern Ireland. Chrisgel Ryan Cruz/Flickr hide caption

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Millet isn't just one grain but, rather, a ragbag group of small-seeded grasses. Hardy, gluten-free and nutritious, millet has become an "it" grain in recent years. billy1125/Flickr hide caption

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The excavation at Ahihud in the Galilee region of Israel where archaeologists found fava beans dating back 10,000 years. Yaron Bibas/Courtesy of Israel Antiquities Authority hide caption

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A hollow log hive in the Cevennes region of France reveals the details of circular comb architecture of the Western honeybee. New research shows the partnership between humans and bees goes back to the beginnings of agriculture. Eric Tourneret/Nature hide caption

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National Geographic paleoartist John Gurche used fossils from a South African cave to reconstruct the face of Homo naledi, the newest addition to the genus Homo. Photo by Mark Thiessen/National Geographic hide caption

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Make mine a venti: An example of a drinking vessel from the Grasshopper Pueblo archaeological site in central Arizona. Researchers tested shards of similar vessels found at various sites in the American Southwest and found evidence that people in the region were drinking caffeinated cacao and yaupon holly drinks 1,000 years back. Courtesy Patricia Crown hide caption

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3-D renderings of four skeletons found buried near the altar of an early church in the Jamestown settlement in Virginia. Smithsonian X 3D hide caption

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Lee Perry-Gal measures chicken long bones at the zooarchaeology lab, Zinman Institute of Archaeology, University of Haifa. Courtesy of Guy Bar-Oz hide caption

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Researchers discovered ancient animal mummies piled up in heaps inside a catacomb. Many of the mummies were in poor condition. Courtesy of Paul Nicholson hide caption

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