Alejandro Soto – How On Earth: Recent Episodes

Alejandro Soto – How On Earth

The KGNU Science Show

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In 2015, the New Horizons Spacecraft flew past Pluto. Because Pluto is so far away, it took nearly 10 years of travel for the spacecraft to reach that distant dwarf planet — and that was after a decade of work to get the spacecraft to the launch pad. Planetary scientists Alan Stern and David Grinspoon … Continue reading "Chasing New Horizons, continued"

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As part of the Conference of World Affairs, which is being held this week at the campus of the University of Colorado, Boulder, we are speaking today with astrophysicist Adam Frank. Frank is a professor at the University of Rochester, where he studies the final stages of evolution for stars like the sun. He is … Continue reading "Astrobiology and the Anthropocene"

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Spaceport Earth. This week on How on Earth, we speak with Joe Pappalardo about his book “Spaceport Earth”. With the successes of Space-X and Blue Origin, private and commercial spaceflight is a fast growing business. Pappalardo talks with us about this new space industry and the advances and setbacks that have been faced. In particular, … Continue reading "Spaceport Earth"

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Much of current climate science research focuses on understanding how the climate is changing and what type of climate we will have in the near future. But to understand where the climate is going, we need to understand where the climate has been. It is especially important to understand how the climate has responded to … Continue reading "Committed Warming"

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This week on How on Earth we look at the scientific research into the lifespans of Americans. Mortality trends in America (start time 4:05): We speak with Andrea Tilstra, who co-authored a recent paper on mortality trends in America. Tilstra is a co-author of a recent study published in the International Journal of Epidemiology.  Her team’s paper is titled … Continue reading "Mortality Trends in America // Life Expectancy in America"

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The Long Now Foundation in Colorado (start time 5:02): People often measure “success” as fifteen minutes of fame, or a blockbuster financial quarter. This focus on short term results doesn’t always build the skills needed to solve long-term problems, such as reducing disease outbreaks or maintaining species diversity. So some visionaries have created a playfully serious way … Continue reading "Long Now Foundation in Colorado // Wild Boulder Citizen Science"

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Your Baby’s Microbiome (start time 6:13): This week on How on Earth Beth Bennett interviews Toni Harmon, author of Your Baby’s Microbiome, a look into the role the maternal micro biome plays before and after birth. For a newborn, the biological defenses to diseases and the environment come from the mother. Harmon talks about how the … Continue reading "Your Baby’s Microbiome"

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Eclipse 2017 (start time 5:56): This summer America will experience its first total solar eclipse in almost 30 years. How on Earth’s Alejandro Soto speaks with Dr. Claire Raftery from the National Solar Observatory (NSO) about the upcoming eclipse. Dr. Raftery talks about the science and history of eclipses, the best ways to view the eclipse in … Continue reading "Eclipse 2017"

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Citizen Science (start time: 5:32): For those who would love to track birds and other creatures or to test drinking water quality in their community, for instance, but think it would require a degree in science to contribute to important scientific discoveries, our guest today aims to set the record straight. Dr. Caren Cooper is an … Continue reading "Citizen Science"

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Beyond Earth (start time 5:10) Many have dreamt of colonizing other planets. It’s been a staple of science fiction for decades. Most often, people imagine creating a colony of humans on Mars, where people would live on a cold, dry planet with a thin, unbreathable atmosphere. Mars, however, may not be the best destination for future … Continue reading "Beyond Earth: Our Path to a New Home in the Planets"