The Field Museum will have bats on the brain when it hosts a public symposium on flying mammals and the disease that threatens them. We hear from a zoologist about why bats are so important to the ecosystem.

From a tiny shark tooth found in the Arctic to electronic tattoos that can monitor brain, heart and muscle activity, Neil Shubin joins us with a roundup of local scientific breakthroughs.

Ground Zero 360˚ at The Field Museum portrays the story of 9/11 from the unique perspectives of a New York City police commander and a photojournalist. Ash-har Quraishi gives us a sneak preview of the exhibit.