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.
Confirmed by the U.S. Senate on August 6, 2009, Sotomayor became the first Hispanic on the Supreme Court. When Kagan was confirmed on August 5, 2010, she changed the gender composition of the court as the third woman to serve simultaneously.