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Your search has returned 52 articles:
  • Editor's Note

    Memory remains elusive, but the search continues

    In Theaetetus, Plato likened memory to a wax tablet, which would adopt the image of whatever was impressed upon it. Aristotle is said to have called memory “the scribe of the soul.” Others have viewed memory as a stomach, storehouse or switchboard, while acknowledging that it sometimes seems like a leaky bucket.

    St. Augustine and Robert Hooke also thought deeply about memory. But...

    01/24/2018 - 13:35 Science & Society, History of Science, Neuroscience
  • Letters to the Editor

    Readers wonder about the universe's expansion and more

    Pedal to the universal metal

    Some cosmologists hope to explain the universe’s accelerating expansion by fully accounting for the universe’s lumpiness, Emily Conover reported in “Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles” (SN: 11/25/17, p. 22).

    The universe’s accelerating expansion “is apparently based on the observation of objects that are...

    01/24/2018 - 13:34 Cosmology, Archaeology, Astronomy
  • Feature

    Somewhere in the brain is a storage device for memories

    People tend to think of memories as deeply personal, ephemeral possessions — snippets of emotions, words, colors and smells stitched into our unique neural tapestries as life goes on. But a strange series of experiments conducted decades ago offered a different, more tangible perspective. The mind-bending results have gained unexpected support from recent studies.

    In 1959, James Vernon...

    01/24/2018 - 07:00 Neuroscience
  • Feature

    Your phone is like a spy in your pocket

    Consider everything your smartphone has done for you today. Counted your steps? Deposited a check? Transcribed notes? Navigated you somewhere new?

    Smartphones make for such versatile pocket assistants because they’re equipped with a suite of sensors, including some we may never think — or even know — about, sensing, for example, light, humidity, pressure and temperature.

    Because...

    01/23/2018 - 12:00 Computing, Technology
  • Television

    ‘First Face of America’ explores how humans reached the New World

    A teenage girl climbed into an underground cave around 13,000 years ago. Edging through the ink-dark chamber, she accidentally plunged to her death at the bottom of a deep pit.

    Rising seas eventually inundated the cave, located on Central America’s Yucatán Peninsula. But that didn’t stop scuba divers from finding and retrieving much of the girl’s skeleton in 2007.

    “First Face of...

    01/22/2018 - 07:00 Anthropology, Archaeology, Ancestry