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Professor Dave Explains

Professor Dave Explains

Welcome! I have a knack for explaining stuff and I want to share some knowledge with you.

I received a BA in chemistry from Carleton College, and performed graduate studies in both synthetic organic chemistry and science education at Cal State Northridge, receiving an MA in the latter. Prior to this I taught for about a decade in various high school and undergraduate settings, specializing in organic chemistry but also teaching general chemistry, physics, and biology.

This channel is for students at the high school and undergraduate level, but it is also for members of the general public who just want to know more about the world and how things work. My goal is to increase science literacy in our society, so please share these tutorials with anyone that you think might enjoy them. Happy learning!

Support my channel: https://www.patreon.com/professordaveexplains

Check out my book "Is This Wi-Fi Organic?": https://amzn.to/2HtNpVH

OChem help here: https://chemmunity.info/dave

Links:
Support Dave: http://patreon.com/professordaveexplains
Facebook: http://facebook.com/professordaveexplains
Instagram: http://instagram.com/daveexplains
Amazon Author: https://www.amazon.com/~/e/B08W2749Y9

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  • Wednesday · 1 hr 40 min

    Bart Sibrel Continues to Humiliate Himself (Moon Landing Denial)

    Check out "The Book" here for 10% off: https://bit.ly/3Z6QTBB Use code: PROFESSORDAVE10 The Book: The Ultimate Guide to Rebuilding a Civilization by Hungry Minds is a luxury coffee table book packed with handmade illustrations and mind-expanding ideas. If you’re into unique gifts, premium books, or just love going down rabbit holes, this one’s for you. Remember Bart Sibrel, the worthless fraud who has spent his entire adult life spreading lies denying the achievements of the Apollo missions in sending humans to the lunar surface? And who should only be remembered as that guy Buzz Aldrin punched in the face one time? Well he's back for more punishment! He went on Piers Morgan and humiliated himself. Then astronaut Charlie Duke said some stuff, as well as William Shatner for some reason. Let's watch and laugh together! Debunking Bart Part 1: https://youtu.be/o5LBAepwBfc Debunking Bart Part 2: https://youtu.be/BXOgYRa9mX8 Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 13 min

    IR Spectroscopy

    Well, this is weird. What are all these squiggles? Those peaks represent the wavelengths of infrared light that don't get to the detector, because there's some functional group in the sample absorbing them. Professor Dave busts out some dance moves in this one. Do the symmetric stretch! Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 18 min

    The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow

    After going through Darwin's work, it's time to get up to speed on our current models of evolution. Much of what Darwin didn't know is now known and understood very well, so we can meticulously go through much of the evidence we see for evolution, as well as some of the ways that it propagates other than natural selection. Watch the whole Biology/Genetics playlist: http://bit.ly/ProfDaveBio General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Anatomy & Physiology Tutorials: http://bit.ly/ProfDaveAnatPhys Biopsychology Tutorials: http://bit.ly/ProfDaveBiopsych Microbiology/Infectious Diseases Tutorials: http://bit.ly/ProfDaveMicrobio Pharmacology Tutorials: http://bit.ly/ProfDavePharma History of Drugs Videos: http://bit.ly/ProfDaveHistoryDrugs EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 12 min

    Manipulating Rational Expressions: Simplification and Operations

    Are you tired of algebra yet? Come on, it's fun! Before we dive into graphing, let's just do a little bookkeeping with rational expressions. We have to be able to easily simplify, add, subtract, multiply, and divide these, otherwise the more complex algebra that comes later will be impossible. Don't worry, it's not too bad! Watch the whole Mathematics playlist: http://bit.ly/ProfDaveMath Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 7 min

    Kumada Reaction

    We've made it to our final cross-coupling reaction, the Kumada reaction, developed by Makoto Kumada. This one utilizes Grignard reagents, and nickel chemistry is involved in addition to the standard palladium chemistry. Let's take a look! Watch the whole Inorganic/Organometallic Chemistry playlist: http://bit.ly/ProfDaveInorganic General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 6 min

    Mass Spectrometry

    Who wants to smash molecules into little bits? A mass spectrometer does, that's who. This is a good technique for corroborating molecular structure, because we can make sure the puzzle pieces fit the right way. Check it out! Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 15 min

    Discussing Deprogramming From Religion With a Live Caller (Skeptic Haven)

    Skeptic Haven is a show that I appear on from time to time which features live callers on topics pertaining to religion and science, and the calls range from highly contentious to thought-provoking and constructive. Here is one of them. Check out Skeptic Haven: www.youtube.com/ ⁨@SkepticHaven⁩ Watch my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 18 min

    NMR Spectroscopy

    What are these things?! All the lines! Splitting? Integration? This is the most confusing thing I've ever seen! OK, take it easy chief. Let Professor Dave take you through the very basics of interpreting NMR spectra. Watch the whole Organic Chemistry playlist: http://bit.ly/ProfDaveOrgChem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMath EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Wednesday · 6 min

    Mammalian Diversity Part 1: Egg-Laying Mammals (Monotremes)

    What are the clades within Class Mammalia? One of them is the monotremes, or the egg-laying mammals. Everyone knows about the platypus, but what else is in this clade? Let's find out! Script by Ryan Helcoski Watch the whole Zoology playlist: http://bit.ly/ProfDaveZoo General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Anatomy & Physiology Tutorials: http://bit.ly/ProfDaveAnatPhys Microbiology Tutorials: http://bit.ly/ProfDaveMicrobio Botany Tutorials: http://bit.ly/ProfDaveBotany EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 13 min

    Ancient India Part 1: The Indus Valley Civilization (3500 – 2000 BCE)

    So far we've been focused predominately on Mesopotamia and the Near East. But the Indian subcontinent is also home to one of the earliest civilizations in human history, the Indus Valley civilization. When did this begin? Where were these people from and what were they like? Let's find out! Script by Peter Wyetzner Watch the whole World History playlist: http://bit.ly/ProfDaveWorldHistory American History Tutorials: http://bit.ly/ProfDaveAmericanHistory Italian Tutorials: http://bit.ly/ProfDaveItalian Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 1 hr 59 min

    RFK Jr. is Dangerously Stupid

    Go to consensus.app for a new way to search through primary scientific literature! Science denial is dangerous no matter who is promoting it, but it's ten times worse when it's coming from people in positions of political power. In February, RFK Jr. was appointed by Donald Trump to act as Secretary of the Department of Health and Human Services, which oversees CDC, NIH, and FDA. Bobby also is famous for profiting from spreading lies about vaccines, denying the germ theory of disease, and just generally being a complete maniac masquerading as someone who cares about public health, largely coasting off of his family name. It's time for everyone to see exactly who this guy is, and this video will be an extremely detailed analysis of his views, behavior, and the policies he has enacted during his very short time in office. Please watch, share with others, and use your voice. It's time to start fighting back. 0:07:25 - Chapter 1: The Chronic Disease Crisis 0:18:37 - Chapter 2: Vaccine Misinformation 0:41:55 - Chapter 3: Environmental Toxins 0:52:16 - Chapter 4: Corporate Capture 1:00:00 - Chapter 5: Real-World Harms 1:06:58 - Chapter 6: Theater of the Macabre 1:11:20 - Chapter 7: Pseudoscience Potpourri 1:15:35 - Chapter 8: The MAHA Report 1:19:47 - Chapter 9: HHS Leadership 1:31:26 - Conclusion: The Path Forward Thanks to Zachary Payne for assisting in the research/writing that went towards making this video. Zach would love for you to check out his music: https://www.youtube.com/user/xxxCHANCExxx My video on Andrew Wakefield: https://www.youtube.com/watch?v=oZBeepHwTtQ My video on water fluoridation: https://www.youtube.com/watch?v=bRnBHml8nto My video on vaccines: https://www.youtube.com/watch?v=-EPbylsBuzg My video on anti-intellectualism: https://www.youtube.com/watch?v=YKSyWqcKing Contact your representative and request that they put pressure on RFK to resign from office: https://www.house.gov/representatives/find-your-representative Riverkeeper debacle: https://www.washingtonpost.com/politics/2024/03/02/robert-f-kennedy-jr-rfk-riverkeeper-egg-smuggler/ Child mortality data: https://www.statista.com/statistics/1041693/united-states-all-time-child-mortality-rate/ Thimerosal study 1: https://jamanetwork.com/journals/jama/fullarticle/197365 UPF study: https://www.cell.com/cell-metabolism/fulltext/S1550-4131(19)30248-7 Food additive study: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(07)61306-3/abstract Autism study: https://pubmed.ncbi.nlm.nih.gov/16835068/ MMR study 1: https://www.nejm.org/doi/full/10.1056/NEJMoa021134 MMR study 2: https://www.acpjournals.org/doi/10.7326/M18-2101 MMR study 3: https://jamanetwork.com/journals/jama/fullarticle/2275444 MMR study 4: https://pubmed.ncbi.nlm.nih.gov/10376617/ Immunization safety review: https://pubmed.ncbi.nlm.nih.gov/20669467/ Vaccine safety review: https://pubmed.ncbi.nlm.nih.gov/25086160/ Thimerosal study 2: https://pubmed.ncbi.nlm.nih.gov/12480426/ HPV vaccination study: https://pubmed.ncbi.nlm.nih.gov/25562266/ Infanrix safety profile: https://pubmed.ncbi.nlm.nih.gov/32729745/ RECOVERY: https://www.nejm.org/doi/full/10.1056/NEJMoa2021436 SOLIDARITY: https://www.nejm.org/doi/full/10.1056/NEJMoa2023184 Cell phones and cancer: https://pubmed.ncbi.nlm.nih.gov/35350069/ Celiac study: https://pubmed.ncbi.nlm.nih.gov/26438584/ Controversial Hayes atrazine study: https://www.pnas.org/doi/10.1073/pnas.082121499 Microplastics: https://www.nature.com/articles/srep03263 Raw milk epidemiology 1: https://ajph.aphapublications.org/doi/10.2105/AJPH.88.8.1219 Raw milk epidemiology 2: https://pubmed.ncbi.nlm.nih.gov/36280604/ Nutrition and funding: https://pubmed.ncbi.nlm.nih.gov/17214504/ Samoa measles outbreak: https://www.cbsnews.com/news/rfk-jr-samoa-measles-outbreak/ Vitamin A and measles: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD001479.pub2/full MAH Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 8 min

    Practice Problem: Retrosynthesis of an Alcohol

    For this one we need to understand the key points of retrosynthetic analysis. What reactions make alcohols? How can we put this molecule together? Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 59 min

    Flat Earthers are FREAKING OUT About Artemis II

    Use code professordave at https://incogni.com/professordave to get an exclusive 60% off. Did you guys know that flat earthers still exist? It's crazy, right? Despite the "community" being in shambles after the Antarctica trip, all your favorite douchebags like Eric Dubay, David Weiss, and Mark Sargent are still grifting their faces off. The recent Artemis II mission has really set them off, as you can expect. So much footage, so many images, a huge mountain of undeniable proof that the Earth isn't flat. How do you think they'll handle it? In the most intellectually bankrupt manner humanly possible? Bingo. Grab some popcorn and enjoy the show. Watch my other flat earth debunks: http://bit.ly/ProfDaveFlatEarth Watch all my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 4 min

    Practice Problem: Mechanism - Reaction of an Epoxide

    For this one we will have to know what epoxides do! It's a pretty neat little mechanism. Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 18 min

    Introduction to the Weak Interaction

    After discussing how QED governs the electromagnetic force, and QCD governs the strong nuclear force, we are ready to move on to the weak nuclear force, or the weak interaction. This is mediated by W and Z bosons, and is responsible for processes like beta decay and nuclear fusion. Let's see how this phenomenon is explained by the Standard Model. Script by Andrew Mattson, Physics PhD Student at Johns Hopkins University Watch the whole Modern Physics playlist: http://bit.ly/ProfDavePhysics2 Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Mathematics Tutorials: http://bit.ly/ProfDaveMaths General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 11 min

    Graphing Conic Sections Part 1: Circles

    We've graphed tons of lines, but now it's time to graph more complex figures. Conic sections, which are literally cross-sections of a cone, will be important to be able to graph. Let's learn what these conic sections are, and learn how to graph them one by one, starting with circles. Watch the whole Mathematics playlist: http://bit.ly/ProfDaveMath Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 5 min

    Practice Problem: Synthetic Strategy

    We've got starting material and we've got a target molecule, and we've gotta figure out how to make the transformation in just two steps. Sift through that bag of synthetic tricks! Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 13 min

    Meiosis, Gametes, and the Human Life Cycle

    We know that your body produces more cells through mitosis. But where did your very first cell come from? It can't have been mitosis, because mitosis needs a cell to start with. As it turns out, meiosis and subsequent fertilization are the culprits! Meiosis is another kind of cell division, but it is different from mitosis. How is it different, pray tell? Watch and find out! Watch the whole Biology/Genetics playlist: http://bit.ly/ProfDaveBio General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Anatomy & Physiology Tutorials: http://bit.ly/ProfDaveAnatPhys Biopsychology Tutorials: http://bit.ly/ProfDaveBiopsych Microbiology/Infectious Diseases Tutorials: http://bit.ly/ProfDaveMicrobio Pharmacology Tutorials: http://bit.ly/ProfDavePharma History of Drugs Videos: http://bit.ly/ProfDaveHistoryDrugs EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 12 min

    Baiting Flat Earth Dave With AI Images (Artemis Bonus Episode!)

    Since everyone seemed to enjoy my recent video on flat earthers freaking out about the Artemis II mission, how about a little bonus episode? Right after posting that video, someone informed me that they had been baiting David Weiss, posing as a pilot who flew the vomit comet that allowed them to fake the Orion interior shots. And the dumbass bought it! He used AI-generated pictures and testimony in his recent content. Let's go over all the details and mock him some more, shall we? My full video on flat earthers and Artemis II: https://youtu.be/quoqx2EDhcw The epic undercover flat earth debate: https://www.youtube.com/watch?v=I9DNgEt5U-E Watch my other flat earth debunks: http://bit.ly/ProfDaveFlatEarth Watch all my other debunks/debates/discussions: http://bit.ly/ProfDaveDebunk EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 4 min

    Practice Problem: Mechanism - Acid Catalysis

    For this one we need to know what happens to alcohols under acidic conditions. Beware of tricky carbocations! Try all of the organic chemistry practice problems: http://bit.ly/ProfDaveOCPP Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem EMAIL► ProfessorDaveExplains@gmail.com PATREON► http://patreon.com/ProfessorDaveExplains Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT Learn more about your ad choices. Visit megaphone.fm/adchoices

Showing 141–160 of 379 episodes