Mike and Chad talk about the history of computers and the three building blocks that had to be developed to create the digital age.

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Chad and Mike discuss a recent paper in which Deinococcus radiodurans were left outside the International Space Station for three years and survived.  These bacteria were known to be extremophiles, able to survive in hostile environments, but the ability to survive in spite of the UV radiation and cold of outer space is even more impressive.

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This is a re-broadcast of one of our most popular episodes: What's in your Glass?, in which Mike and Chad got to drink wine and learn about it.  So sit back, pour yourself a glass, and learn about wine.

Chad and Mike interview their colleague John Syring, who is an evolutionary biologist.  We get into the hows and whys of teaching evolution.

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To celebrate the launching of a new NASA rover to Mars, Chad and Mike revisit their episode about the last mission called Insight.

Today we discuss Marie and Pierre Curie (and Pierre's brother, and their children, and grandchildren) and how they were instrumental to developing our knowledge of radioactive materials.

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Mike and Chad are taking well earned vacations, so we are replaying Episode 89 about Biological Clocks.  We discuss how our bodies know when to sleep and how this all developed biologically.

To celebrate Father's Day and Chad's third child, this is a rebroadcast of episode 59: Animal Reproduction.

Mike and Chad are celebrating the 100th episode of crisscrossing Science by reflecting back on some of their favorite moments over the last four years.

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In this episode, Chad and Mike answer a listener question to delve into some of the claims in a 'documentary' that has been making the rounds on social media recently.

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