Podcast Episodes
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Natural Selection: Life's Way of Stayin' Alive: Crash Course Biology #13
There are lots of ways that evolution happens, and natural selection is just one of them. In this episode of Crash Course Biology, we’ll find out how…
1 week ago
US History Outtakes #4
In which John Green forgets his lines, is interrupted by airplanes, ad-libs some jokes, and Stan proves himself ignorant of pop culture.
Crash Course …
1 week ago
Population Genetics: Why do we have different skin colors?: Crash Course Biology #14
In this episode of Crash Course Biology, we’ll learn about the ways population genetics reveals how groups of living things evolve—by comparing genet…
1 week ago
How Can Infrastructure Help Us Stop Outbreaks? Crash Course Outbreak Science #12
When you think about the technology that helps us prevent outbreaks, what do you think of? Vaccines? Lab tests? Medications? What about toilets? That…
1 week ago
Hydrocarbon Derivatives: Crash Course Chemistry #43
Functional groups? Functional groups within functional groups? Hank takes today's Crash Course video to discuss some confusing ideas about Hydrocarbo…
1 week ago
Speciation: Where Do Species Come From?: Crash Course Biology #15
How can you tell two species apart? It’s not always simple. In this episode of Crash Course Biology, we’ll learn about speciation—a process that can …
1 week ago
Ford, Carter, and the Economic Malaise: Crash Course US History #42
In which John Green teaches you about the economic malaise that beset the United States in the 1970s. A sort of perfect storm of events, it combined …
1 week ago
Evolutionary History: The Timeline of Life: Crash Course Biology #16
Humans may have been around for a long time, but life has existed for way longer. In this episode of Crash Course Biology, we’ll journey through deep…
1 week ago
Aromatics and Cyclic Compounds: Crash Course Chemistry #42
What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds, naming their substituents, resonance, a…
1 week ago
Phylogeny: How We're All Related: Crash Course Biology #17
Crocodiles, and birds, and dinosaurs—oh my! While classifying organisms is nothing new, phylogeny— or, grouping organisms by their evolutionary relat…
1 week ago