Be Smart.

Joe Hanson
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We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. He's a molecular biologist and an award-winning science communicator and journalist

  1. قبل ٢٣ دقيقة

    Why Do Things Sound Creepy?

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ Why are sounds scary? They're just vibrations. Blame your brain! Click here to SUBSCRIBE, it's FREE! http://bit.ly/iotbs_sub Enter a dimension of sound, science, and fearMusic by Podington Bear http://podingtonbear.com/ References and more: What's That Buzz? http://www.youtube.com/user/BuzzMoranSFX Seth Horowitz - The Universal Sense http://amzn.to/19Nd4NC Vsauce "You Live In The Past": http://www.youtube.com/watch?v=BTOODPf-iuc ASAPScience "Can You Trust Your Eyes?": http://www.youtube.com/watch?v=ZflIMBxyIak It's Okay To Be Smart "Pay Attention!": http://www.youtube.com/watch?v=6-PvAZq3jW4 Kyle Hill - The Animals Hiding in a T. rex's Roar: http://blogs.scientificamerican.com/guest-blog/2013/04/10/the-animals-hiding-in-a-t-rexs-roar/ Daniel Blumstein - Film soundtracks and nonlinear sounds: http://rsbl.royalsocietypublishing.org/content/early/2010/05/20/rsbl.2010.0333.full Oskar Sala - Crow attack from The Birds http://www.youtube.com/watch?v=hplpQt424Ls Krzysztof Pendercki - "Utrenja" from The Shining http://youtu.be/O8Vuf5lzV3E Bernard Herrmann - "Prelude/Radar" from The Day The Earth Stood Still http://youtu.be/3ULhiVqeF5U Written and hosted by Joe Hanson Special thanks to KLRU for help with this episode PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    Why Do Things Sound Creepy?

  2. قبل ٢٨ دقيقة

    7 Scientific Urban Legends Debunked!

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ I HAVE A PATREON NOW!! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub It sounds like such an incredible fact. “Our own cells are outnumbered by our microbes 10 to 1!” I don’t remember where I first heard it. But I read it in science papers and articles by journalists, so I believed it without question. I even made one of my first videos based on this fact. Problem is, this fact is not true. So how did it remain firmly planted in our common knowledge for almost four decades without any scientific scrutiny? And how can you prepare yourself to not be fooled by other scientific urban legends? I look at a few of the most famous incorrect factoids in science, and give a few suggestions for how to make our common knowledge more correct. References: https://sites.google.com/view/7-scientific-urban-legends/home Please do not watch this old video, it is wrong and my hair is awful: https://www.youtube.com/watch?v=4BZME8H7-KU ----------- Join us on Patreon! URL Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmart Books from our episodes: http://smart-books.tumblr.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

  3. قبل ٢٨ دقيقة

    We've never seen an atom. But we know what they look like.

    The first 100 people to join @planet-wild with the code SMART5 will get the first month paid for: https://planetwild.com/r/besmart/joinIf you want to get to know them better first, check out their mission stopping ocean plastic: https://planetwild.com/r/besmart/m34↓↓↓ More info and sources below ↓↓↓If everything around us is made of atoms, why can’t we actually see them? From ancient philosophy to quantum mechanics, electron microscopes, and the strange limits of human perception, let’s explore one of science’s deepest questions: what does it really mean to “see” something?Be Smart explores science questions you didn’t even know you wondered about. It is hosted and produced by Joe Hanson, PhD. We post new videos all the time, so please subscribe! If you enjoyed this video, hit the ‘like’ button, leave a comment, or watch another of our videos!CONNECT WITH ME____________________________________Website: https://www.itsokaytobesmart.com/ Instagram: https://www.instagram.com/okaytobesmart/ https://www.instagram.com/drjoehanson/ Facebook:https://www.facebook.com/itsokaytobesmart Patreon: https://www.patreon.com/c/itsokaytobesmart A big thanks to our Brain Trust patrons: Baerbel Winkler, Bernadette Etienne, Brent Lopez, dani bowman, David Johnston, Ed Eyden, Eric Meer, Greg Olson, Jaap Westera, Karen Haskell, Marcus Pingel, Mike and Patty Loftis, Reuben BrewerSPONSORSHIP INQUIRIES____________________________________Please email biz@itsokaytobesmart.comStock video and images provided by Shutterstock, Artlist, and MotionArrayMusic provided by APMWritten Joe HansonEdited by Steven SimoneProduced by Least Square Media and Spotzen for PBS Digital Studios Learn more about your ad choices. Visit megaphone.fm/adchoices

    We've never seen an atom. But we know what they look like.

  4. قبل ساعة واحدة

    Why the Heck Are We Ticklish?

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ We’re on PATREON now! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub I’ve explained a lot of weird bodily functions on this show but there’s one that we haven’t covered that’s always confused me: Tickling. What are you for, tickling? What’s the point of you? Why do you exist? Why do you make us laugh even though we hate you? Let’s dig into our evolutionary past to try and find an answer. References: Laughing, tickling, and speech http://untiredwithloving.org/dhahak.pdf Pathogenic laughter https://n.neurology.org/content/64/12/2154.short Tickling review http://charris.ucsd.edu/articles/Harris_EHB2012.pdf Darwin-Hecker http://charris.ucsd.edu/articles/Harris&Christenfeld_CE1997.pdf Early thoughts https://www.jstor.org/stable/1411471?seq=1#page_scan_tab_contents Neural correlates of laughter https://academic.oup.com/cercor/article/23/6/1280/426218 Neural correlates of laughter https://academic.oup.com/brain/article/126/10/2121/314497 Experience of pleasure https://www.ncbi.nlm.nih.gov/pubmed/6877978 Tickling and laughter https://www.sciencedirect.com/science/article/pii/030105119090023P Ticklish rats https://science.sciencemag.org/content/354/6313/757 Social laughter and pain https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.1373 Special thanks to our Brain Trust Patrons: AlecZero Oliver and Arden Bradshaw Brent M. Diego Lombeida Dustin Ernesto Silva George Gladding Marcus Tuepker Ron Kakar vincbis ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

  5. قبل ساعة واحدة

    Are We All Family?

    Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This is part 3 of our special series on Human Ancestry! Watch the entire series here ►► http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Basic math tells us that all humans share ancestors. But you’ll be amazed at how recently those shared ancestors lived. Thanks to genetic data in the 21st century, we’re even discovering that we really are all descended from one mother. ----------- REFERENCES: Chang, Joseph T. "Recent common ancestors of all present-day individuals." Advances in Applied Probability 31.04 (1999): 1002-1026. Jorde, Lynn B. "Genetic variation and human evolution." (2003). Rohde, Douglas LT. "On the common ancestors of all living humans." (2003) Rohde, Douglas LT, Steve Olson, and Joseph T. Chang. "Modelling the recent common ancestry of all living humans." Nature 431.7008 (2004): 562-566. Stringer, Chris. “Lone survivors: How we came to be the only humans on earth.” Macmillan, 2012. http://amzn.to/2oIFg3q (Library: http://www.worldcat.org/oclc/855581724) Tattersall, Ian. “Masters of the planet: the search for our human origins.” Macmillan, 2012. http://amzn.to/2pOZrKS (Library: http://www.worldcat.org/oclc/733231407) ----------- FOLLOW US: Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart Twitter: @okaytobesmart @DrJoeHanson Tumblr: http://www.itsokaytobesmart.com Instagram: @DrJoeHanson Snapchat: YoDrJoe ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Joe Hanson Producer/editor/animator: Andrew Matthews Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices

    Are We All Family?

  6. قبل ساعة واحدة

    We Can Bring Back Extinct Species… But SHOULD WE?

    Try 23andMe: http://www.23andme.com/okay Make sure we don’t go extinct and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel hands of time make it impossible? This weel we look at the technical and ethical hurdles behind the science of de-extinction and reverse engineering species that are no longer around. Hybrid reptile/chicken skull scans courtesy of Bhart-Anjan Bhullar Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate ----------- REFERENCES: Shapiro, B. (2015). How to clone a mammoth: the science of de-extinction. Princeton University Press. Sherkow, J. S., & Greely, H. T. (2013). What if extinction is not forever?. Science, 340(6128), 32-33. Zimmer, C. (2013). Bringing them back to life. National Geographic, 223(4), 28-41. ----------- FOLLOW US: Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart Twitter: @okaytobesmart @DrJoeHanson Tumblr: http://www.itsokaytobesmart.com Instagram: @DrJoeHanson ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Shaena Montanari, Ph.D. Producer/editor/animator: Andrew Orsak Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices

    We Can Bring Back Extinct Species… But SHOULD WE?

  7. قبل ساعتين

    The Science of Snow Geometry

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ You are a beautiful and curious snowflake. SUBSCRIBE, it's FREE! http://bit.ly/iotbs_sub Snowflakes are infinitely beautiful, but are they infinitely unique? Here's all the science behind Earth's favorite cold crystal. More reading: Wilson Bentley, The Snowflake Man of Vermont http://publicdomainreview.org/2011/02/14/the-snowflake-man-of-vermont/ Kenneth Libbrecht's SnowCrystals website (the definitive snow science page on the internet): http://www.its.caltech.edu/~atomic/snowcrystals/ The true shape of snowflakes: http://news.sciencemag.org/environment/2013/04/scienceshot-true-shape-snowflakes?rss=1 Timeline of snowflake research: http://en.wikipedia.org/wiki/Timeline_of_snowflake_research Interactive water crystal packing (Firefox is best) http://www.edinformatics.com/interactive_molecules/ice.htm The case of two identical snowflakes: http://www.livescience.com/1239-scientist-snowflakes-alike.html Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editor and motion graphics Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/​ Learn more about your ad choices. Visit megaphone.fm/adchoices

    The Science of Snow Geometry

  8. قبل ساعتين

    Infinity isn’t a number. It's something much weirder.

    Learn more about AnyDesk here: https://anydesk.com/besmart Support us on Patreon / itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓Infinity sounds simple. It just means really, really big, right? But something weird happens when you try to do infinite things in a finite amount of time. Let's explore paradoxes, supertasks, and the bizarre mathematics that show how infinity is something far stranger than just a number.Be Smart explores science questions you didn’t even know you wondered about. It is hosted and produced by Joe Hanson, PhD. We post new videos all the time, so please subscribe! If you enjoyed this video, hit the ‘like’ button, leave a comment, or watch another of our videos!CONNECT WITH ME____________________________________Website: https://www.itsokaytobesmart.com/ Instagram: https://www.instagram.com/okaytobesmart/ https://www.instagram.com/drjoehanson/ Facebook:https://www.facebook.com/itsokaytobesmart Patreon: https://www.patreon.com/c/itsokaytobesmart A big thanks to our Brain Trust patrons: Baerbel Winkler, Bernadette Etienne, Brent Lopez, dani bowman, David Johnston, Ed Eyden, Eric Meer, Greg Olson, Holly, Brett, and Ashe Bullion, Jaap Westera, Karen Haskell, Marcus Pingel, MdK, Mike and Patty Loftis, Paul Weir, Reuben BrewerSPONSORSHIP INQUIRIES____________________________________Please email biz@itsokaytobesmart.comStock video and images provided by Shutterstock, Artlist, and MotionArrayMusic provided by APMWritten Joe HansonEdited by Steven SimoneProduced by Least Square Media and Spotzen for PBS Digital Studios Learn more about your ad choices. Visit megaphone.fm/adchoices

    Infinity isn’t a number. It's something much weirder.
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We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. He's a molecular biologist and an award-winning science communicator and journalist

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    Joe Hanson
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