Joanna Stern/ABC News
  • New Samsung Galaxy S IV Smartphone

    The Samsung Galaxy S 4 has a 5-inch, 1080p Super AMOLED display. It has a quad-core processor and 2GB of RAM.
    Joanna Stern/ABC News
  • New Samsung Galaxy S IV Smartphone

    The Galaxy S4 is thinner than the Galaxy S 3. It is 7.9mm thick and weighs 130 grams.
    Joanna Stern/ABC News
  • New Samsung Galaxy S IV Smartphone

    The phone is still made of plastic. Even though the edges look like aluminum, the body is actually polycarbonate.
    Joanna Stern/ABC News
  • New Samsung Galaxy S IV Smartphone

    The biggest hardware upgrade? Probably the 13-megapixel camera. There is also a 2-megapixel front-facing camera.
    Joanna Stern/ABC News
  • New Samsung Galaxy S IV Smartphone

    The Galaxy S 4 runs Android 4.2.2. Samsung has made some changes to Google's operating system. One of them lets you put show two apps on the screen at once.
    Samsung
  • New Samsung Galaxy S IV Smartphone

    Samsung's S Health app monitors your fitness activities, including your steps taken and calories burned.
    Samsung
  • New Samsung Galaxy S IV Smartphone

    With the Galaxy S4, Samsung has redesigned the camera app to look like the one on its Galaxy camera. You have a number of different settings, including one that lets you take photos from the front-facing and rear-facing cameras at the same time.
    Samsung
  • New Samsung Galaxy S IV Smartphone

    Samsung has put an IR blaster on its phone so you can use it as a remote control for your TV. With the software you can see images of upcoming programs and control a DVR.
    Samsung
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PHOTO: Left, Sabrina Allen, 4, is shown in this photo provided by the National Center for Missing and Exploited Children; right, Sabrina Allen, 17, is seen in this undated handout photo.
National Center for Missing and Exploited Children|Courtesy of PI Phillip Klein
Kelly Ripa
Seth Poppel/Yearbook Library
PHOTO: Earths moon is pictured as observed in visible light, left, topography, center, and the GRAIL gravity gradients, right.
NASA/GSFC/JPL/Colorado School of Mines/MIT
PHOTO: A long-distance bus station is filled with passengers at the start of Golden Week on Oct. 1, 2014 in Zhengzhou, China.
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