Quirky corks, leaning towers, defying gravity and more! The Curious Crew explores different centers of gravity. STEM Challenge: Making a balanced sculpture. Curious About Careers: Physical Therapist Jill Marlan.
The Great Lakes only national marine sanctuary brings underwater history up close. Whether you’re in a glass-bottomed boat, looking down from a kayak, or diving underwater, the shipwrecks at the Thunder Bay National Marine Sanctuary give you a haunting look at the past.