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Autonomous underwater vehicles are robotic, untethered submersibles that are programmed at the surface, then navigate through the water on their own, collecting data as they go. The MBARI AUV can measure physical characteristics of seawater, such as temperature, salinity, and dissolved oxygen, detect chlorophyll from microscopic marine algae, and measure concentrations of small particles in the water. This AUV is unique in that it carries "gulper" samplers that can collect up to ten 1.8-liter water samples while traveling through the water. The AUV also uses cutting-edge artificial intelligence software to decide where to go and when to collect its water samples. Engineers can program the on-board computers to help the AUV find an algal bloom or other feature of interest, and then map its boundaries, as well as to take water samples both within and outside the feature. After the AUV is recovered, its water samples can be analyzed, including DNA analysis to determine what types of algae, bacteria, or other microorganisms are present. Credit: MBARI
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Date Found: May 31, 2010
Date Produced: May 31, 2010
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July 13, 2011
Millions of people are giving up their dentures for dental implants and now a new Xbox game will help dentists and their patients create the perfect smile.  credit: Ivanhoe
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July 13, 2011
This video sequence compiles data from Hubble’s observations of Neptune to show the blue-green planet rotating on its tilted axis. A day on Neptune is 16 hours long, and Hubble took images of the planet every four hours. Some of Neptune's moons are also shown.
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July 13, 2011
The STS-135 Flight Day 4 wakeup call was "Tubthumping" by Chumbawamba played for Mission Specialist Sandy Magnus.
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July 13, 2011
A video recap of flight day 3 of the STS-135 mission of space shuttle Atlantis to the International Space Station.  credit: NASA
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July 13, 2011
After four previous trips to repair and upgrade the Hubble Space Telescope, it was time for the Shuttle to make one final service call to install new, advanced instruments, batteries, gyros and insulation on the astronomical icon.  credit: NASA
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