Bok
03-05-2012, 10:45 PM
Students are honored at a special science fair at the president’s home
More... (http://www.sciencenews.org/view/generic/id/338844/title/FOR_KIDS_The_White_House_welcomes_science)
More... (http://www.sciencenews.org/view/generic/id/338844/title/FOR_KIDS_The_White_House_welcomes_science)