Many parents believe that their children must be kept in an environment that is as clean as possible, but some research suggests that being exposed to what many would call unclean conditions is good for a child's immune system.
Sonia Maria Sotomayor (/ËsoÊnjÉ ËsoÊtÉËmaÉªÉr/, Spanish:; born June 25, 1954) is an Associate Justice of the Supreme Court of the United States, serving since August 2009.
Juan MartÃ­n del Potro. Juan MartÃ­n del Potro Lucas (Spanish pronunciation: [ËxÊ·wÃ¤n mÃ¤É¾ËtinÌªâ¿dÌªeÌl ËpoÌtÉ¾oÌ], born 23 September 1988), also known as Delpo, is an Argentine professional tennis player. His biggest achievement was winning the 2009 US Open, defeating Rafael Nadal in the semifinal and 5-time defending champion Roger Federer in the final.