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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson

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: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are...

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? What are the benefits and limits to medical response dogs? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are...

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: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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 test? What about the 18 other genes involved? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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 discovered? Do they answer all questions about the universe? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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 Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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 billion-year-old objects dated? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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 genetic disease? Why is it not routinely screened for in commercial tests? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere...

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: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

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: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.