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3ML
3 minute lessonEpisodes
Episodes of 3 minute lesson
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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
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 effecti
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 sp
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 sel
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? Twitter: @3minutelesso
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?Twitter: @3minutelesson Email: 3minuteles
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?Twitter: @3
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
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
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?Twitt
Episode 471. Topic: Medical response dogs. Theme: Working animals. What else can dogs be trained to do? How can dogs alert someone to allergens in food or medicines? Can a dog detect low blood sugar in a human? Can they detect oncoming seizures
Episode 470. Topic: Guide dogs. Theme: Working animals. How old is the use of guide dogs for the visually impaired? How is training performed today? How expensive are guide dogs? How long do they work?Twitter: @3minutelesson Email: 3minuteless
Episode 469. Investigating myself. Topic: Fanconi anemia. What is anemia and what causes it? What is Fanconi anemia? How common is this condition and how is is treated? Can you find out if you carry this disease on a common commercial genetic t
Episode 468. Topic: Antimatter. Theme: Atomic physics. Is an up quark the antiparticle of the down quark? What are antiprotons? What is antihelium? What happens when matter and antimatter meet? Where is all the antimatter anyway?Twitter: @3minu
Episode 467. Topic: Subatomic particles. Theme: Atomic physics. What are protons, neutrons, and electrons made from? What are subatomic particles or elementary particles? How are they described? How do they form matter? How were they discovere
Episode 466. Topic: Radioactive decay. Theme: Atomic physics. What is radioactive decay? What are alpha particles, beta particles, and gamma rays? What are examples of these decay types? Which is the most dangerous?Twitter: @3minutelesson Ema
Episode 465. Topic: Radiocarbon dating. Theme: Atomic physics. What are isotopes? What are the common isotopes of carbon and how do they form? How is carbon-14 used to date organic material? What are the limits to radiocarbon dating? How are bi
Episode 464. Topic: Discovering atoms. Theme: Atomic physics. What are elements and how are they defined? What are atoms? How was the atom discovered? How did scientists uncover the basic structure of the atom? How were neutrons discovered? Twi
Episode 463. Investigating myself. Topic: Ataxia–telangiectasia. Is all DNA damage bad? What does ATM do? What happens when both copies of ATM are mutated? What is Ataxia? What is telangiectasia? What are the symptoms and treatments for this ge
Episode 462. Topic: Halloween. Theme: Holiday Origins. What are the origins of Halloween? Is it Christian or pagan in origin? How is it celebrated around the world? How are turnips involved?Twitter: @3minutelesson Email: [email protected]
Episode 461. Topic: White Day. Theme: Holiday Origins. How is Valentine's Day celebrated in other countries? How is it more one-sided in Japan? What is White Day and why was it invented? Will White Day ever come to the United States? Twitter: @
Episode 460. Topic: Valentine's Day. Theme: Holiday Origins. Who was Saint Valentine? Was he just one person? How did February 14th become associated with romantic love? How is Valentine's Day celebrated around the world? Twitter: @3minutelesso
Episode 459. Topic: Labor Day. Theme: Holiday Origins. What were workers' rights like during The Industrial Revolution? How were they improved? How is this related to Labor Day? Do other countries have a Labor Day equivalent? Which countries do
Episode 458. Topic: Memorial Day. Theme: Holiday Origins. What is Memorial Day? Where does it originate culturally? When did it become an official federal holiday? What was the reasoning behind making Memorial Day a Monday? Twitter: @3minutele
Episode 457. Investigating myself. Topic: Low empathy?What is empathy? How is it related to the hormone oxytocin? Are there genetic variations related to low empathy behavior? Do I carry it? If so, which parent did I inherit it from?!Twitter: @
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