Why is the outer solar system perhaps the best place to look for life?  If it is, then where should we look for it? And importantly, what would it mean to find life in our solar system? 

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For hundreds of years, we have wondered if life is on Mars. I take a close look at the evidence from nearly 50 years of orbiters, landers, rovers, and even Marian rocks found on Earth to answer this question. The evidence is compelling!

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Surprisingly, defining life is hard. Listen in as Tom Kennedy takes a broader look at what makes something living.

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When searching for life, look for liquid water, AKA the habitable zone. But knowing where liquid water on a planet's surface  can be difficult. I explain how the characteristics of a star and its planets greatly influences the size of the habitable zone and ultimately the chances of discovering life.

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Could alien life resemble life on Earth, or, would it completely different? Join me as I discuss the importance of convergent evolution and introduce a new concept of biological determinism to speculate about what life might look like from simple microbes to intelligent beings.

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What does the future hold for humanity? Join me as I speculate about the prospects of our survival into the future along with the obstacles we must overcome to ensure our survival. There's a lot of fun speculation in this podcast, I'd love to hear your comments!

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Cellular membranes separate life from the outside world.  I take a look into the world of membranes explaining how forming a barrier lets cells use their membranes to do many  things from storing energy to sending signals. 

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One of the most biggest mysteries in science is how did life get started. In the past 100 years,  several important theories improved our understanding about the origins of life. But each one has its limitations that become clear based on how we define life. 

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Biology is more than just memorizing the parts of cell or dissecting some poor animal in lab, it's a broad field driven by curiosity and imagination grounded in the scientific method.  

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Why do I believe the current geological era that began when the dinosaurs went extinct 65 million years ago came to an abrupt end  on September 1,  1914.  I make my case that we ended one era while starting a new one where invasive species will play a large role in the future of life on Earth. I also speculate on the future of humanity as we go forward into an uncharted future. 

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