Fossils of the Michigan Basin

Live footage of crinoids crawling 1,300 feet below ground is just one of the features of this exhibit, which examines fossils that are helping paleontologists to understand Earth’s history.

Through December 2006, University of Michigan Natural History Museum, 1109 Geddes Ave., Ann Arbor, 734-764-0478. Museum is open Monday through Saturday, 9 a.m.-5 p.m.; Sunday, 12 p.m.-5 p.m.

For more information, go to http://www.exhibits.lsa.umich.edu/ exhibitmuseum/publicprogrms/calendar/.

When Crocodiles Ruled North Dakota

The Cranbrook Institute of Science has recreated the subtropical swamps of North Dakota as they existed 60 million years ago. After the extinction of dinosaurs, new species emerged that were just as interesting and terrifying, including 40-foot-long crocodiles, prehistoric primates and underwater predators.

Through Jan. 1, 2007, Cranbrook Institute of Science, 39221 Woodward Ave., Bloomfield Hills, 248-645-3200. Museum is open Saturday through Thursday, 10 a.m.-5 p.m.; Friday, 10 a.m.-10 p.m.

For more information, go to http://science.cranbrook.edu/common/ news_detail.asp?L1=7&L2=0&newsid=257882.

Don’t Make Me Sick!

Develop a better understanding of how the body defends itself against the bacteria and viruses that make us sick. Explore the human immune system with several types of microscopes as well as interactive models.

Opens Nov. 9, Impression 5 Museum, 200 Museum Drive, Lansing, 517-485-8116. Museum is open Monday through Saturday, 10 a.m.-5 p.m.; Sunday, 1 p.m.-5 p.m.

For more information, go to http://www.impression5.org/germs.htm.

2006 Girls in Science Day: Making Dreams a Reality

Girls in grades 7-12 can learn about careers in science, math and technology while participating in hands-on workshops featuring women who work in the fields of research, science, engineering and technology.

Dec. 2, 9 a.m.-4 p.m., Toledo Center for Science and Industry, 1 Discovery Way, Toledo, 419-244-2674. Museum is open Tuesday through Saturday, 10 a.m.-5 p.m.; Sunday, 12 p.m.-5 p.m.; closed Mondays.

For more information, go to http://www.cositoledo.org/calendar/index.htm.