Echo location, tympanic membranes, radio teeth and more! The Curious Crew learns how our ears are designed to capture incoming sounds. STEM Challenge: Designing a pair of ‘Ear Defenders.’ Curious About Careers: Audiologist Dr. Brooke Tudor.
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.