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2016 President Obama poses with young scientists at his Final White House Science Fair

2016 President Obama addresses White House Science Fair participants

2016 President Obama hosts the 2016 White House Science Fair

2015 President Obama meets the Society for Science team

2015 President Obama addresses STS finalists at the White House

2015 STS finalist Yelena Mandelshtam meets President Obama

2015 STS finalist Michael Winer meets President Obama

2015 President Obama shakes hands with STS finalist Tanay Tandon

2015 President Obama stands with STS finalists at the White House

2015 President Obama greets group of STS finalists

2015 President Obama stands with Nikhil Behari in front of his project

2015 President Obama listens to Harry Paul discuss His project