12/04: Newtown 911 calls reveal calm amid chaos; Photographer captures fleeting glimpse of nature's greatest light show

      |Newly released 911 calls give insight into the Sandy Hook Elementary shootings in Newtown, Conn. Dispatchers and frightened callers were able to remain calm as a gunman carried out an attack no one could have imagined; and, photographer Dave Parkhurst has been braving the extreme elements of the Alaskan wilderness to capture the incredible display of Aurora Borealis on film.

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