Listener Questions 50: Dark matter, photon wa...

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

Rainn and Reza take on their listener's life's big questions. See omnystudio.com/listener for privacy information. 

You ask, he answers…See omnystudio.com/listener for privacy information. 

Once more, it's time for a weekly dose of Stuff to Blow Your Mind and Weirdhouse Cinema listener mail...See omnystudio.com/listener for privacy information. 

Once more, it's time for a weekly dose of Stuff to Blow Your Mind and Weirdhouse Cinema listener mail...See omnystudio.com/listener for privacy information.