Two astronauts are still in space awaiting a ride home on Boeing's hobbled Starliner.

Experts continue to test the thrusters in hopes of a safe liftoff and return, but the spacecraft had a bumpy ride even before it left Earth.

The two veteran astronauts, Butch Wilmore and Suni Williams, are still orbiting Earth on the International Space Station two weeks after they were supposed to be back on land.

There's work underway to develop smart bandages that would dramatically improve the healing of serious wounds and burns, and allow doctors to monitor results remotely.

We'll also discuss how reading science fiction helped one scientist communicate the complexities of his work to the masses.

Guests:

Yuanwen Jiang, assistant professor, University of Pennsylvania
Eric Berger, Senior Space Editor, Ars Technica
Carlo Quintanilla, health science policy analyst and molecular biologist