Museum of Science and Industry, Chicago Posts - TopicsExpress

Still getting used to writing and saying “2015”? Two calendar
Still getting used to writing and saying “2015”? Two calendar tidbits for you. The 13-day difference between Julian and Gregorian calendars is why...

MSI will be open tomorrow, despite the chilly forecast. If your
MSI will be open tomorrow, despite the chilly forecast. If your school will be closed, here are just some of the ways to escape the cold here with us ...