How many moons does the Earth have?

Daniel and Kelly explain how cells in a fetus or in an adult know what they're supposed to do, and discuss whether opposable thumbs are necessary for the development of tools and technology.See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk to Dr. Steve Brusatte about his new book "The Story of Birds". We discuss if chickens are really dinosaurs, if we know what color dinosaur feathers were, and why birds survived the devastating asteroid collision with Earth while pterosaurs didn't.See omnystu ...  Show more

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there?

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If you guessed 'gravity' you're right -- but a few specific factors make Jupiter so much moonier than planets like Earth. Learn more in this episode of BrainStuff.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy inf ...  Show more

Astronauts have left over a hundred items on the moon's surface. Learn what telescopes are powerful enough to spot them in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informati ...  Show more

In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits.

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