September 12, 2014
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AmeriCorps volunteers take a pledge during a ceremony on the South Lawn of the White House in Washington, D.C. President Barack Obama and former President Bill Clinton marked the 20th anniversary of the national service program, and talked about the impact volunteering can have on both individuals and the nation.
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Genetically engineered fish (Pterophyllum Scalare var.) glow in a tank during the 2014 Taiwan Aquarium Expo in Taipei.