3 minute lesson

Episode 481. Investigating myself. Topic: Marfan syndrome. 

What is connective tissue? How can mutations in one gene affect connective tissue? What is Marfan syndrome and what are the symptoms? Why is it often not included on commercial genetics tests? 

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Episode 480. Topic: Effective population size. Theme: Population genetics.

What is the difference between total population size and effective population size? What is an example of this difference? What causes the difference? What is the effective population size of humans? Will it ever increase?

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Episode 479. Topic: Speciation. Theme: Population genetics.

Why is it difficult to assign species labels to salamanders? What does this mean for the definition of "speciation"? How do we define human species? What thresholds generally prevent species convergence?

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Episode 478. Topic: Evidence of selection. Theme: Population genetics.

What is natural selection? How can you tell from the DNA of a species when and where natural selection has occurred? What in recent human evolution has undergone natural selection?

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Episode 477. Topic: The founder effect. Theme: Population genetics.

How can reduced genetic diversity alter the frequency of traits? Can this be dangerous? What are some founder effect examples in humans? What caused them? 

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Episode 476. Topic: Genetic drift. Theme: Population genetics.

How can traits change frequency in a population without natural selection? What is genetic drift? What would this look like in a population?

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Episode 475. Investigating myself. Topic: Hereditary fructose intolerance.

What is fructose? How is it metabolized in the human body? What genetic disease disrupts fructose metabolism? What are the symptoms? Do I carry this condition?

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Episode 474. Topic: Sniffer bees. Theme: Working animals. 

How intelligent are bees and wasps? How good are their senses of smell? Can you train bees to detect odor? How can you tell if a bee recognizes something? How do bees compare to dogs in detecting explosives? Why aren't bees more commonly used?

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Episode 473. Topic: Mine hunting. Theme: Working animals. 

What are mines? Why are they so dangerous after conflicts? How are trained rats so effective at finding buried mines? How are mined located underwater? What other purposes are there for military dolphins?

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Episode 472. Topic: Detection dogs. Theme: Working animals. 

What else can dogs be employed to do? What types of drugs can they detect? What about weapons or other biological materials? Can dogs detect cancer? How about COVID-19 infections?

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New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.