CROWN POINT | When Atlantis takes off on the last U.S. space shuttle mission Friday, there will be a few local paramecium on board, thanks to students at tiny Avicenna Academy. "This project is important because it tests a very important issue -- the struggle for existence," said student Maria Khan in a student blog about the space shuttle experiment she helped design as a fifth-grader at Avicenna Academy. "It's a wonderful experience," Principal Amanda Arceo said as she headed to Kennedy Space Center in Florida to witness the launch along with four students who developed the experiment for the...