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Scientists have found ancient "impact glass" on the surface of Mars, which formed when asteroids struck, a billion or more years ago. If anything was alive at the time, biological materials could be trapped inside. Christopher Intagliata reports
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A new documentary film presents the science behind when and why people lie. Daisy Yuhas reports
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In west Africa researchers observed wild chimps seek out and drink fermented tree sap left outside by humans. Karen Hopkin reports
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People tend to remember a color they saw, for example green-blue teal, as being closer to a more stereotypical variant, such as straight blue or green. Karen Hopkin reports
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Fragments of edible marine snail shells found in Lebanon support the idea that ancient humans went from Africa to Europe through the Levant. Cynthia Graber reports
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We all emit slightly different brain waves in response to stimuli, and researchers say that an individual’s specific "brainprints" could be used to validate our identities. Christopher Intagliata reports
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A galaxy 12.5 billion light-years away gives off the light of 300 trillion suns, because its feeding black hole produces enough heat to set the whole galaxy's dust glowing. Lee Billings reports
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An experimental leishmaniasis vaccine relies on eliciting an immune response to a protein from the saliva of the sand fly that carries the leishmania parasite, rather than on anything from the parasite itself. Cynthia Graber reports
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A new study suggests that chimps have the cognitive skills necessary for cooking—such as patience—even if they don't control fire. Christopher Intagliata reports
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Emergency room visits due to high heel shoe–related injuries doubled between 2002 and 2012. Erika Beras reports
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