The Museum of Science and Industry, Chicago (MSI) is offering free Museum Entry to Illinois residents on select dates each week in January and February, beginning this week. Illinois residents receive free Museum Entry on the following dates: January 11th, 15th-18th, 22nd-25th, 29th-31st; February 1st, 5th-8th, 12th-15th, 20th-22nd, 26th-27th. Discover how the capture of the only German sub during World War II was kept a secret inside the dramatic U-505 Submarine exhibit; experience 1.5 million volts of lightning strike above your head in Science Storms; shake off the winter doldrums by learning why laughter can be contagious in YOU! The Experience; and see first-hand the amazing patterns that surround us every day in Numbers in Nature: A Mirror Maze. Museum of Science and Industry, Chicago is located at 5700 S. Lake Shore Dr. For more information, visit www.msichicago.org.