We're on a collision course with our nearest galaxy! 12/31/20   See acast.com/privacy for privacy and opt-out information.

How far can we see; how far can we think? 12/24/20   See acast.com/privacy for privacy and opt-out information.

Stories NASA didn't tell!     See acast.com/privacy for privacy and opt-out information.

There's a mystery down below.   See acast.com/privacy for privacy and opt-out information.

 What could be as cool as you? 12/3/20   See acast.com/privacy for privacy and opt-out information.

What you get (gravitationally speaking),  is what you don't see!   See acast.com/privacy for privacy and opt-out information.

Meet the world's heaviest sugar cube – and you're in it! 11/19/20   See acast.com/privacy for privacy and opt-out information.

If we're breathing out CO2, can we really help someone with mouth-to-mouth resuscitation? 11/12/20   See acast.com/privacy for privacy and opt-out information.

Even the Milky Way casts a shadow   See acast.com/privacy for privacy and opt-out information.

Is the most common compound in the universe only found in liquid form on Earth?    See acast.com/privacy for privacy and opt-out information.

 Is magnetic north heading south anytime soon?    See acast.com/privacy for privacy and opt-out information.

Fordog lovers everywhere, a call to action -with a twist! 10/15/20   See acast.com/privacy for privacy and opt-out information.

 Are you ready for the green flash and the blue sun?    See acast.com/privacy for privacy and opt-out information.

How come cats can survive a drop from high places?     See acast.com/privacy for privacy and opt-out information.

It wasn't Marconi!    See acast.com/privacy for privacy and opt-out information.

Take the million monkey challenge!     See acast.com/privacy for privacy and opt-out information.

Relative to their body size, bacteria are among the fastest critters on the planet.   See acast.com/privacy for privacy and opt-out information.

Our intrepid duo predicts the predictable.   See acast.com/privacy for privacy and opt-out information.

 Why do dogs and cats keep on licking themselves?   See acast.com/privacy for privacy and opt-out information.

 It's drifting farther away every year.    See acast.com/privacy for privacy and opt-out information.

Why so blue?      See acast.com/privacy for privacy and opt-out information.

 Ancient comet dust rains down on our planet    See acast.com/privacy for privacy and opt-out information.

Breaking news!     See acast.com/privacy for privacy and opt-out information.

Cloud color magic!   See acast.com/privacy for privacy and opt-out information.