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Scientific American: Evolution

Science news and technology updates from Scientific American
Scientific American
  1. Polynesians and Native South Americans Made 12th-Century Contact
    Scientists have found snippets of Native South American DNA in the genomes of present-day Polynesians, and they trace the contact to the year 1150. Christopher Intagliata reports.

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  2. Bat Says Hi as It Hunts
    Velvety free-tailed bats produce sounds that help them locate insect prey but simultaneously identify them to their companions.

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  3. The Meaning of Time in the Place where Humanity's Earliest Ancestors Arose
    In Kenya’s Lake Turkana region, fossils of long-ago primates endure amid a transforming landscape

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  4. The Messenger Is the Message
    Behavioral scientist Stephen Martin and psychologist Joseph Marks talk about their book Messengers: Who We Listen To, Who We Don’t, and Why.

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  5. Science Briefs from around the World
    Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusk fossil that reveals years back then had a few more days than...
  6. The First Gene on Earth May Have Been a Hybrid
    A new experiment suggests DNA and RNA may have formed together before the origin of life

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  7. How a 380-Million-Year-Old Fish Gave Us Fingers
    A remarkable fossil reveals that the digits in our hands evolved before vertebrates emerged from the water to colonize land

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  8. Human Speech Evolution Gets Lip-Smacking Evidence
    A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech.

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  9. 'Snot Palaces' Reveal Undersea Creature Secrets
    Scientists are studying the delicate mucus houses built by creatures called larvaceans to better understand how they live. Christopher Intagliata reports. 

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  10. Fossil Footprints Help Uncover the Mysteries of Bipedal Crocodiles  
    Ancient tracks reveal a previously unknown creature from the Age of Dinosaurs—answering one question but raising more  

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