How would finding alien life, whether microbes or advanced civilizations, change how we think about ourselves in the universe? Would it matter if alien life looked like us or radically different?  

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Is the universe teaming with life, or is life on the Earth unique? Join me as I discuss the possibility of life from microbes to intelligent life in the universe along with the current limits of our knowledge. 

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Is Earth the only place in our solar system with life or is it wide spread? In this podcast, I discuss what life is, what conditions are needed for life to start, and places in the solar system where we might find life and why that would be important. 

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We are star dust. But what exactly does that mean? Learn how life is connected to the universe going  back to the Big Bang. 

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Have you ever wondered why you didn't lose weight when you started a new exercise program? Learn how science has led to major changes in how we understand the role of exercise on weight loss and our health. 

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How did the introduction of a lake trout in Yellowstone reduce elk populations? How did the re-introduction of wolves in Yellowstone improve stream quality and songbird populations. I take a closer look at how how the loss or addition of a single species can ripple across the landscape. 

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Why do some animals remain unchanged for hundreds of millions of years or why do some evolve quickly with beautiful feathers or intricate songs. Listen in as I cover the different types of selection causing the diversity we see today including directional, stabilizing, disruptive, balancing, and sexual selection. 

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Some roots don't grow in soil and some leaves eat insects. Discover the amazing things that roots, shoots, and leaves can do. Plants are cool!

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Plants have had an enormous influence on the evolution of life on Earth. Learn how plants altered ancient climates, triggered the evolution of reptiles and mammals (amniotes), provide us with important medicines, and just make us feel better.

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Despite the fact that GMOs are helping us solve problems in agriculture, medicine, and stopping the spread of diseases, there's a lot of negative propaganda against GMOs, I explain why they are safe and part of the solution to our problems.

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