Mike and Chad are re-sharing this episode with Stephen Tufte, a physics professor from Lewis and Clark. He shared with us the science behind playing the mandolin and what makes it different from a guitar.

Chad and Mike discuss the ancestral plight of turtles and how strange a journey it was for sea creatures to come onto land, then return to the water, and (in the case of the tortoise) return back to land.

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Mike and Chad discuss angular momentum and some of the seemingly counterintuitive predictions that come from it. Yet so many things in our daily lives rely on this concept.

Chad and Mike invite Nobel Laureate Dr. Randy Schekman to discuss his research into yeast cells and the mechanisms that yeast (and human) cells use to direct traffic. Proteins that are created within the cell need to be pushed into the appropriate places and Schekman is one of the discoverers of those mechanisms.

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Chad and Mike are preparing for our next episode in which we talk to Nobel Laureate Randy Schekman. He won the award for learning the mechanisms for how proteins within the cells are moved to where they need to go. The process can be very complicated, so we are doing a pre-episode to help us understand more.

So be sure to listen to both this episode and the next one with our special guest.

Mike and Chad celebrate Einstein's 146th birthday by discussing his Greatest Blunder.

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Chad tells Mike all about moss, and the entire ecosystem that lives in that tiny, fluffy, world.

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Mike and Chad discuss milk. Why do mammals drink it? How do mammals produce it? What is pasteurization? Answers to these questions, and more, when you listen to crisscrossing Science!