© AP Photo/David Zalubowsk
In Colorado, a boom in methane development over the past few years has raised questions about whether the environmental impacts are outpacing scientists’ ability to measure them. Shelley Schlender and Daniel Glick discuss the current state of the science looking into fracking’s impacts. Here is a compendium of scientific, medical, and media findings demonstrating risks and harms of fracking.
Hosts: Daniel Glick, Shelley Schlender
Producer: Joel Parker
Engineer: Shelley Schlender
Headlines: Beth Bennett, Natalia Bayona, Joel Parker
Executive Producer: Susan Moran
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When it comes to reducing greenhouses gases, every little bit helps, and that includes managing the greenhouse gases produced by how we grow our food. Raising livestock and growing crops both generate greenhouse gases, and to gauge their impact, a new study takes the long range view. The results were published in a paper: “Measuring and mitigating agricultural greenhouse gas production in the U.S. Great Plains, 1870-2000” in the Proceedings of the National Academy of Sciences. It analyzes 100 years of agricultural production, and it takes this look at farming close to home – it focuses on the bread basket of the United States – the Great Plains, which includes eastern Colorado. Here to tell us more are scientists 
Ketones (start time 6:40) A growing body of scientific research demonstrates health benefits for many people with a diet that’s lower in carbohydrates, and higher in fats. In fact, some of this research indicates great therapeutic benefits,. One reason why may be that, when carbohydrate consumption is low enough, the body enters a state of “nutritional ketosis,” where it transforms fats into a molecule called, beta-hydroxy-butyrate, or “ketones”. In the absence of sugar and carbs, the body can use ketones as its primary fuel.
Proof: The Science of Booze (starts at 8:09): Science journalist 
Gulp [starts at 4:25] Bestselling author, 
Greenback Cuttthroat Trout (starts at 6:06) Colorado has always been a state of nature lovers, which is why, in the era of our great great grandfathers, citizens even designated an official state fish. It’s the Greenback Cutthroat Trout that thrived in the mountain streams above Boulder and Denver. Colorado wildlife officials had long assumed that Greenback Cuttthroat Trout still live in our mountain streams. The problem is, they were wrong. Through a complex set of Sherlock Holmes investigations begun in recent years, scientists at CU-Boulder figured out a “fish switch” decades ago, meant Greenback Cutthroat Trout were missing from our streams, and possibly extinct. Since then, we have much better news about the fish that “almost” got away. In this feature, How on Earth’s Shelley Schlender, speaks with CU-Boulder biologist, 
Migraines (starts at 14:28) One of the most painful conditions to suffer through is a migraine headache. Sometimes, these headaches begin with strange visual auras or loss of vision; sometimes they’re accompanied by nausea. Most of all, they’re a head-splitting pain. Interestingly, these headaches are rare among the world’s few remaining hunter-gatherer populations. In contrast, they’re common in modern western life. Roughly 10% of Americans have suffered from a migraine headache. One of the people who used to suffer from them frequently is a medical doctor with advanced degrees in neurology. He’s Doctor 
Gold Lab Symposium (starts at 3:42): Biotech entrepreneur 
U.S. Climate Change Report (starts at 11:50) The 