Daniel and Kelly talk about the extraordinary ability to tardigrades to survive extreme conditions, and ponder whether those abilities have kept them alive after a space craft carrying them crashed into the surface of the Moon.

See omnystudio.com/listener for privacy information.

Daniel and Kelly answer questions about binary star seasons, meat wasps and freefall.

See omnystudio.com/listener for privacy information.

Daniel and Kelly talk to Jonathan Oppenheim about his unusual theory of unpredictable gravity

See omnystudio.com/listener for privacy information.

Daniel and Kelly talk to Thomas Van Riet about how string theory unravels the puzzle of quantum gravity and whether math can be beautiful.

See omnystudio.com/listener for privacy information.

Daniel and Kelly answer listener questions about soil on Mars, the double slit experiment, and adaptations for surviving on the Red Planet.

See omnystudio.com/listener for privacy information.

Can humans safely have babies in space? Daniel and Kelly talk about what we know about human health in space, and our prospects for starting families there.

See omnystudio.com/listener for privacy information.

Daniel and Kelly talk to authors about the science and storytelling of time-travel.

See omnystudio.com/listener for privacy information.

Daniel and Kelly talk to Dr. Jonathan McDowell about the kinds of junk you find in space, the problems it causes, and what we can do about it.

See omnystudio.com/listener for privacy information.