View full lesson: It’s obvious that knowing more than one language can make certain things easier — like traveling or watching movies without subtitles. But are there other advantages to having a bilingual (or multilingual) brain? Mia Nacamulli details the three types of bilingual brains and shows how knowing more than one language keeps your brain healthy, complex and actively engaged. Lesson by Mia Nacamulli, animation by TED-Ed.
How can many stupid things combine to form smart things? How can proteins become living cells? How become lots of ants a colony? What is emergence? This video was made possible by a donation by the Templeton World Charity Foundation. A huge thanks to them for their support and help over the last year! Kurzgesagt Newsletter: Support us on Patreon so we can make more videos (and get cool stuff in return): Kurzgesagt merch: The MUSIC of the video: Soundcloud: Bandcamp: Facebook: THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Phil Winterleitner, David Blayney, Stuart Dunlop, Jordi Riera, James Lamberg, Alexander Fortin, Philipp Hiestand, Shalyn Thong, Elizabeth Meisterling, Tyler Graybill, Felix Diercks, Carson Hynes, Julian Maurel, Jacek Złydach, Paul Lenoue, Stephen Murillo, Justin Fowler, Michael Andregg, Justin Stocking, Andrew, Michael Altarriba, Andy Holaday, Karel Hulec, CJ Canton, Cédric Coulombe, Radomir Kaleta, J K, Rada199, Claudio Fan, etti, Zen, Alen Kecic, Patrick Preuss, deMat01, Erickson Phoenix, iamBadgers, Tom Motto, William Asheshov, Chris O'Hara, Lobo Olsson, Zachary Hall, Donis A., Ismael, The_CJ, Michal Janček, Lars Midgaard, ElRichMC, Mariann Nagy Help us caption & translate this video! Emergence – How Stupid Things Become Smart Together
The Ocean is a deep and scary world that is completely removed from most of our lives. In this video I explore just how deep the ocean actually is while discussing some of the strange life down there. and other just plain weird and odd things about the ocean. Feel free to leave any comments and share what you found interesting, or anything else you think that I should have added! Music is by Ross Bugden, seriously, his channel is great. Song used is called Something Wicked Link to Ross's channel: Please Subscribe: Follow me on Facebook: Follow me on Twitter: Reddit: Videos explaining things. Mostly over topics like history, geography, economics and science. We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey. Currently, we try our best to release one video every two weeks. Bear with us :) Business Email: firstname.lastname@example.org
View full lesson: Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell, animation by TOGETHER.
What if we could stop aging forever? Thanks so much for help with the video to Lifespan.io. Check them out and learn how you can get active here: Lifespan.io facebook.com/LifespanIO Kurzgesagt Newsletter: Support us on Patreon so we can make more videos (and get cool stuff in return): Kurzgesagt merch: The MUSIC of the video: Soundcloud: Bandcamp: Facebook: THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Phil Winterleitner, David Blayney, Stuart Dunlop, Jordi Riera, James Lamberg, Alexander Fortin, Philipp Hiestand, Shalyn Thong, Elizabeth Meisterling, Tyler Graybill, Felix Diercks, Carson Hynes, Julian Maurel, Jacek Złydach, Paul Lenoue, Stephen Murillo, Justin Fowler, Michael Andregg, Justin Stocking, Andrew, Michael Altarriba, Andy Holaday, Karel Hulec, CJ Canton, Cédric Coulombe, Radomir Kaleta, J K, Rada199, Claudio Fan, etti, Zen, Alen Kecic, Patrick Preuss, deMat01, Erickson Phoenix, iamBadgers, Tom Motto, William Asheshov, Chris O'Hara, Lobo Olsson, Zachary Hall, Donis A., Ismael, The_CJ, Michal Janček, Lars Midgaard, ElRichMC, Mariann Nagy Help us caption & translate this video! How to Cure Aging – During Your Lifetime?
Assistant Professor Chao-Lin Kuo surprises Professor Andrei Linde with evidence that supports cosmic inflation theory. The discovery, made by Kuo and his colleagues at the BICEP2 experiment, represents the first images of gravitational waves, or ripples in space-time. These waves have been described as the first tremors of the Big Bang. Producer: Bjorn Carey Video: Kurt Hickman For more on the discovery, see:
What causes addiction? Easy, right? Drugs cause addiction. But maybe it is not that simple. This video is adapted from Johann Hari's New York Times best-selling book 'Chasing The Scream: The First and Last Days of the War on Drugs.' For more information, and to take a quiz to see what you know about addiction, go to Support us on Patreon so we can make more stuff: Get the music of the video here: An interactive version of this video: (works on mobile) Or follow us on social media or reddit: THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: T0T0S, Ryan OHoro, Matthieu de Canteloube, Vince, Thomas Shiels, Brian David Henderson, Jim Yang, Arnav Guleria, Clemens, Tahseen Mushtaque, Jochen, Vahur S, Harry, BurmansHealthShop, Nils Caspar, Holger Fassel, Jackson R Hanna, Pascal de Reuck, ByeongWook Lee, Guus Ketelings, Franko Papić, Thalia, Narat, Suchartsunthorn, Lorenz Zahn, Brian Aparicio, Jörg Vogelsang, Rashed Ali, Darwin Ranzone, Tyler Thornton, David Pfister, Han Saini, Ute Moll, Ioanna Bischinioti, Jenny Zhou, Vince Babbra. Avi Yashchin, Dan Cortes, Matt K, Phiroze Dalal, Marcelo Fernandes de Souza Filho, A La Mode, Tom Wardrop, Shawn Marincas, Pontus Attåsen, Paul, Marc Dumont, Robert McKone, Todd Binkley, Matthew von der Ahe, Thomas Russell, Erick, Vivek Kotecha, Artur Szczypta, Jeff Fellows, Daniel Duffee, Konstantin Shabashov, Tim drake, Mike Galles, Evgenia Yigitalieva, Vrm Vee Are Em, Timothy Noble Everything We Think We Know About Addiction Is Wrong Help us caption & translate this video!
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival. Without it you would die in no time. This sounds simple but the reality is complex, beautiful and just awesome. An animation of the immune system. We are thinking of making an App for tablets out of this video. Would you like that? Did you think the visual system we developed worked? Feedback is much appreciated! You can get the MUSIC of the video here: Videos, explaining things. Like evolution, time, space, global energy or our existence in this strange universe. We are a team of designers, journalists and musicians who want to make science look beautiful. Because it is beautiful. Visit us on our Website, Twitter, Facebook, Patreon or Behance to say hi! THANKS A LOT TO OUR PATRONS FOR SUPPORTING US: Justin Degenaars jordan gardner Derek Loa Jeroen Koerts Carlos Campuzano Benoît Graham Scott Zell Tanya Smirnova Giovanna Cardoso Patrick Eyrich Alex Kaplan Chris Dudley Deanie Adams Caroline Andrewes Dean Herbert Rory Bennett Adam Primaeros Rasmus Lind Daniel O.C.L. Dylan Hoffer Maxl Heitsch Eliud Vasquez Neve Laughery Ghitea Andrei Paul Alexander Law McCormack Heavens Eduardo Barbosa Sara Shah Dario Pagnia Chris Doughty Evan Low Stephen Morse Bünyamin Tetik Romano Casellini dante harper Justin T. Greeny Liu Siddharth Bajaj Valerie Brunet Jen Tim Peter Wagner Yousif Efe Melih Polat Gaëtan Maximilian Ritter Charles Kuang Balazs-Hegedus Jozsef Petr Pilař Finn Edwards Thomas Lee Daniel Fuchs Pascal B. Seona Tea Pol Lutgen Roman Zolotorevich Daniel Jonathan Velazquez Gore Jeff Church Churchill Randy Knapp Brandon Liu Peter Žnuderl Swarochisha Kandregula Javier de la Garza Jan Lukas Lehmann somersault18:24 Why you are still alive - The immune system explained Help us caption & translate this video!
What do you know about the Moons of Mars? Nothing? They are super cool (and strange), promise. Moon May! One video about cool moon stuff every Mo(o)nday in May. Next: Plutos five Moons explained. Videos, explaining things. Like evolution, time, space, global energy or our existence in this strange universe. We are a team of designers, journalists and musicians who want to make science look beautiful. Because it is beautiful. Visit us on our Website, Twitter, Facebook, Patreon or Behance to say hi! THANKS A LOT TO OUR PATRONS FOR SUPPORTING US! The Moons of Mars explained -- Phobos & Deimos Help us caption & translate this video!
Everything will end. Even the universe. But in a future so far away that it defies description, there will still be light and therefore a chance for life. It will be around White Dwarfs, the corpses of stars. But even they will fade one day. Check out Epic Mountain Music: Support us on Patreon so we can make more videos (and get cool stuff in return): Kurzgesagt merch here: The music of the video here: Soundcloud: Bandcamp: Facebook: THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Whangam, Sanghyun Park, Brian Boerner, iffn, Michael Andersen, Patrick Haugh, Stephan Broek, Zach Keith, Shaun, Danny Lo, Andre Szarmach, YL Kang, Maaike, vivian james, Kevin LI, darkmage0707077, Teruki Ito, Tovi Sonnenberg, Chandan Grayson-Pattar, Robert Holloway, oscar schreuder, Toni Tadolini, Dakota Vadimsky, Sapphire, Jon Adams, Matt, Gavin Kirby, ANIRUDH PATEL, Alfonso Ortiz, Adam Wiggins, Arvid Tunvall, Stefan Lˆrwald, Sean Fujiwara, ”lafur Reynir, Rayan Mestiri, Jason Heath, Shane, Michael Odom, Joost Uitdehaag, Bradley Thomas, Vladimir Fleurima, Ivan Kanev, Juan Marchetto, James Gemelli, Jamie Denysek, Zbigniew, Rolandas Brazauskas, Skylar Dodds, Duncan Lewis, Ivan Avdeev, Marc Watine, Mitchell Hulick, Christopher Meyers, Gavin Sellers, Maggie Siu, ANTIcarrot, Dan Buchoff, Daniel Ploch, Gabriele Michieletto, Sean Boone, Hayden Froehlich, Jakub Furicka, Snakes!, Benjamin Wood, Alexander Vocaet, Beth Notturno, John Wiggains, Guy Shtainer, Ursa Oannes, Patrick Duthie, Ami Noo, Ryan Dougherty, David Darko, Jun, Jon Tidd, Zach Smith, Susanne Seibt, Zane Bacon, Thibault Siouffi, MF RUCKUS, Jonathan Tseng, Zach Donnell, Andrew Cafourek, Mitchel Laihinen, Ginette Ng, adam lenk, Jay Buys, Jaben Cargman, Tizian Danzinger, Nick Hutcherson, Julia Robak, James Seckelman, Hristo Dimitrov, Gary Wong, DR EBERLE, Janico Greifenberg, Bobby Biswal, David Reddy, Aykin «akaloz, Steve Downing, Andy Carlson, Jesse Richards, Jason Michaels, Dillon Laster, Mikel Serralde Help us caption & translate this video! The Last Light Before Eternal Darkness – White Dwarfs & Black Dwarfs
The merging of two neutron stars was detected by gravitational waves and then by telescopes in all parts of the electromagnetic spectrum. This is a historic detection as it demonstrates: - the first gravitational waves detected from inspiraling neutron stars - the first joint observation by gravitational wave and electromagnetic wave astronomy - identification of a gamma ray burst in conjunction with merging neutron stars - how gravitational waves and gamma rays can be used together to locate their source All evidence so far indicates that the data support General Relativity. Special thanks to Patreon supporters: Tony Fadell, Donal Botkin, Curational, Jeff Straathof, Zach Mueller, Ron Neal, Nathan Hansen, Corvi Support Veritasium on Patreon: Graphics from: Jets and Debris from a Neutron Star Collision This animation captures phenomena observed over the course of nine days following the neutron star merger known as GW170817. They include gravitational waves (pale arcs); a near-light-speed jet that produced gamma rays (magenta); expanding debris from a kilonova that produced ultraviolet (violet), optical and infrared (blue-white to red) emission; and, once the jet directed toward us expanded into our view from Earth, X-rays (blue). Credit: NASA's Goddard Space Flight Center/CI Lab Virgo Helps Localize Gravitational-Wave Signals Sky localizations of gravitational-wave signals detected by LIGO beginning in 2015 (GW150914, LVT151012, GW151226, GW170104), and, more recently, by the LIGO-Virgo network (GW170814, GW170817). After Virgo came online in August 2017, scientists were better able to localize the gravitational-wave signals. The background is an optical image of the Milky Way. The localizations of GW150914, LVT151012, and GW170104 wrap around the celestial sphere, so the sky map is shown with a translucent dome. Credit: LIGO/Virgo/NASA/Leo Singer (Milky Way image: Axel Mellinger) Variety of Gravitational Waves and a Chirp The signal measured by LIGO and Virgo from the neutron star merger GW170817 is compared here to previously detected binary black hole mergers. All signals are shown starting at 30 Hertz, and the progression of GW170817 is shown in real time, accompanied by its conversion to audio heard at the end of the movie. GW170817 was observable for more than 30 times longer than any previous gravitational-wave signal. Credit: LIGO/University of Oregon/Ben Farr LIGO is funded by the NSF, and operated by Caltech and MIT, which conceived of LIGO and led the Initial and Advanced LIGO projects. Financial support for the Advanced LIGO project was led by the NSF with Germany (Max Planck Society), the U.K. (Science and Technology Facilities Council) and Australia (Australian Research Council) making significant commitments and contributions to the project. More than 1,200 scientists and some 100 institutions from around the world participate in the effort through the LIGO Scientific Collaboration, which includes the GEO Collaboration and the Australian collaboration OzGrav. Additional partners are listed at The Virgo collaboration consists of more than 280 physicists and engineers belonging to 20 different European research groups: six from Centre National de la Recherche Scientifique (CNRS) in France; eight from the Istituto Nazionale di Fisica Nucleare (INFN) in Italy; two in the Netherlands with Nikhef; the MTA Wigner RCP in Hungary; the POLGRAW group in Poland; Spain with the University of Valencia; and the European Gravitational Observatory, EGO, the laboratory hosting the Virgo detector near Pisa in Italy, funded by CNRS, INFN, and Nikhef.
View full lesson: Beginning around 1377, medieval England was shaken by a power struggle between two noble families, which spanned generations and involved a massive cast of characters, complex motives and shifting loyalties. Sound familiar? Alex Gendler illustrates how the historical conflict known as the Wars of the Roses served as the basis for much of the drama in Game of Thrones. Lesson by Alex Gendler, animation by Brett Underhill.
Rita Pierson, a teacher for 40 years, once heard a colleague say, They don't pay me to like the kids. Her response: Kids don't learn from people they don't like.' A rousing call to educators to believe in their students and actually connect with them on a real, human, personal level. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at Follow TED news on Twitter: Like TED on Facebook: Subscribe to our channel:
Check out our Patreon page: View full lesson: How good are you with money? What about reading people’s emotions? How healthy are you, compared to other people you know? Knowing how our skills stack up against others is useful in many ways. But psychological research suggests that we’re not very good at evaluating ourselves accurately. In fact, we frequently overestimate our own abilities. David Dunning describes the Dunning-Kruger effect. Lesson by David Dunning, directed by Wednesday Studio, music and sound by Tom Drew. Thank you so much to our patrons for your support! Without you this video would not be possible! Juan, Jordan Tang, Kent Logan, Alexandra Panzer, Jen, Ellen Spertus, Ryan Mehendale, Mary Sawyer, Scott Gass, Ruth Fang, Mayank Kaul, Hazel Lam, Tan YH, Be Owusu, Samuel Doerle, David Rosario, Katie Winchester, Michel Reyes, Dominik Kugelmann, Siamak H, Stephen A. Wilson, Manav Parmar, Jhiya Brooks, David Lucsanyi, Querida Owens.
In 2015 the bees are still dying in masses. Which at first seems not very important until you realize that one third of all food humans consume would disappear with them. Millions could starve. The foes bees face are truly horrifying – some are a direct consequence of human greed. We need to help our small buzzing friends or we will face extremely unpleasant consequences. Check out THE NOVA PROJECT: You can make subtitles for the video here: Videos, explaining things. Like evolution, time, space, global energy or our existence in this strange universe. We are a team of designers, journalists and musicians who want to make science look beautiful. Because it is beautiful. You can get the MUSIC for the video here: Visit us on our Website, Twitter, Facebook, Patreon or Behance to say hi! THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Nathan Ardoin, Collin Rudkin, Karantor, Wesley Alexander, Alpaca Belle, william töyrä, Jasen Tamiia, Heeyun Chung, Ethan Wriston, Hoi-Fung, David Wilson, Morgan Rigby, Harrison Bross, Jacob Ash, lukas hulting, Katharine Foster, Nick Ingenito, Adithi Pandit, David Walsh, Oliver, gianmaria nicolis, Swaroop Narayan Manjunath, beeweasd, Giacomo Bersani, Evan Wilson, Matthew Fey, Nicholas Romano, Franco, Andrew Rehkopf, Tyler O'Connor, Fabi, Wait But Why, Brian, Carlos Rubio Abujas, Weronika Falkowska, Aaron, Carlos Carrasco, Christopher Setiobudi, Callum Howells Luke Kutschinski, Geoffrey Lee, Brian David Henderson, Sébastien Blanchet, Stefan Ghizelea, Chris Smith, Sofian Madi, Jay Kidd, James Khoo, Eugene Foss, Spencer Clark, Robert Varasciuc, THEGURUDK, Erika Marks, Aurelien Gouny, Romi Kuntsman, Harry, Nicolas Huguet-Latour, Simon Thibodeau, Michael, Marc Dumont, Yeonghoon Park, Samuel Pacheco, Dave Hng, Mikkel Jespersen, Jerome Dimaano, Danylo Bozhagora, ryandelsol, Anton Sterenborg, Mason Y, Simon Welker, Demian Rosenblatt, Julius Hofman, Richard Harrison, Daniel P, Reinaldo Mizutani, Emil, A Patron, Þorsteinn Sævar Hjartarson, Davy Corbett, Veselin Kostadinov, Darth Hawke The death of bees explained – Colony Collapse disorder Help us caption & translate this video!
The town of Staufen, in the south-west of Germany, has a problem: a drilling operation in 2007 that went very wrong. Half a metre of movement might not sound like much, but in this town, that's enough for the buildings to crack and fall apart. Thanks to Constantijn Crijnen for both suggesting the video and being the local expert! His channel's here: And here's an in-depth academic paper explaining why and how it all happened, in far more detail than would work in a YouTube video: I'm at on Twitter at on Facebook at and on Snapchat and Instagram as tomscottgo
Never miss a talk! SUBSCRIBE to the TEDx channel: Chris Lonsdale is Managing Director of Chris Lonsdale & Associates, a company established to catalyse breakthrough performance for individuals and senior teams. In addition, he has also developed a unique and integrated approach to learning that gives people the means to acquire language or complex technical knowledge in short periods of time. Jan-21-2014 Update. The video transcripts are now available via the following links: English Only: English + Chinese Translation: In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)
View full lesson: When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. What's going on? Anita Collins explains the fireworks that go off in musicians' brains when they play, and examines some of the long-term positive effects of this mental workout. Lesson by Anita Collins, animation by Sharon Colman Graham.
Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas relied on slave labor. Few places in the world relied so heavily on slave labor as Saint-Domingue, France's most profitable colony. Slaves made up nearly 90% of Saint-Domingue's population, and in 1789 they couldn't help but hear about the revolution underway in France. All the talk of liberty, equality, and fraternity sounds pretty good to a person in bondage, and so the slaves rebelled. This led to not one but two revolutions, and ended up with France, the rebels, Britain, and Spain all fighting in the territory. Spoiler alert: the slaves won. So how did the slaves of what would become Haiti throw off the yoke of one of the world's great empires? John Green tells how they did it, and what it has meant in Haiti and in the rest of the world. Crash Course World History is now available on DVD! Follow us! @thecrashcourse @realjohngreen @raoulmeyer @crashcoursestan @saysdanica @thoughtbubbler Like us! Follow us again! Support Crash Course on Patreon:
Check out our Patreon page: View full lesson: Before the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight, persuaded his brother Epimetheus to fight with him on the side of the Gods. Iseult Gillespie shares the myth of Prometheus. Lesson by Iseult Gillespie, directed by Léa Krawczyk. Thank you so much to our patrons for your support! Without you this video would not be possible. Yalda A., Susan Herder, Andrew Bosco, Craig Sheldon, Javier Aldavaz, Bruno Pinho, Rishi Pasham, Nick Johnson, Alex Kongkeo, Levi Cook, Peter Koebel, Misaki Sato, Runarm, Maxi Kobi Einy, Ilya Bondarik, Darren Toh, Bozhidar Karaargirov, Boytsov Ilya, Marc Veale, Rodrigo Carballo, Humberto A OjedaGomez, Daniel Day, SookKwan Loong, Jhuval, Nik Maier.
Download a free audiobook and support TED-Ed's nonprofit mission: Check out Siddhartha Mukherjee's The Emperor of All Maladies : View full lesson: We’ve harnessed electricity, sequenced the human genome, and eradicated smallpox. But after billions of dollars in research, we haven’t found a solution for a disease that affects more than 14 million people and their families at any given time. Why is it so difficult to cure cancer? Kyuson Yun explains the challenges. Lesson by Kyuson Yun, directed by Artrake Studio. Check out our Patreon page: Thank you so much to our patrons for your support! Without you this video would not be possible. Mukamik, Tushar Sharma, Dmitry Neverov, Mohammad Khory, Goh Xiang Ting Diana, Umar Farooq, Kevin Wong, Activated Classroom Teaching, Constantin Salagor, Daniel Mardale, Monica Grace Ward, Dawn Jordan, Yanira Santamaria, Prasanth Mathialagan, Savannah Scheelings, Yalda A., Susan Herder, Be Owusu, Samuel Doerle, David Rosario.
View full lesson: The DNA in just one of your cells gets damaged tens of thousands of times per day. Because DNA provides the blueprint for the proteins your cells need to function, this damage can cause serious issues—including cancer. Fortunately, your cells have ways of fixing most of these problems, most of the time. Monica Menesini details the processes of DNA damage and repair. Lesson by Monica Menesini, animation by FOX Animation Domination High-Def.
At the headquarters of Cloudflare, in San Francisco, there's a wall of lava lamps: the Entropy Wall. They're used to generate random numbers and keep a good bit of the internet secure: here's how. Thanks to the team at Cloudflare - this is not a sponsored video, they just had interesting lava lamps! There's a technical rundown of the system on their blog here: Edited by Michelle Martin, @mrsmmartin I'm at on Twitter at on Facebook at and on Snapchat and Instagram as tomscottgo
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A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples. Huge thanks to Prof Rana Adhikari and LIGO: Here's how he felt when he learned about the first ever detection: Thanks to Patreon supporters: Nathan Hansen, Donal Botkin, Tony Fadell, Saeed Alghamdi, Zach Mueller, Ron Neal Support Veritasium on Patreon: A lot of videos have covered the general overview of the discovery of gravitational waves, what they are, the history of the search, when they were found but I wanted to delve into the absurd science that made the detection possible. When scientists want one megawatt of laser power, it's not just for fun (though I'm sure it's that too), it's because the fluctuations in the number of photons is proportional to their square root, making more powerful beams less noisy (as a fraction of their total). The smoothest mirrors were created not for aesthetic joy but because when you're trying to measure wiggles that are a fraction the width of a proton, a rough mirror surface simply won't do. Filmed by Daniel Joseph Files Music by Kevin MacLeod, Black Vortex (appropriately named) Music licensed from Epidemic Sound Observations 2 (also appropriately named)
View full lesson: Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically proving the hitherto unprovable. Ganesh Pai describes the history and math behind irrational numbers. Lesson by Ganesh Pai, animation by Anton Trofimov.
View full lesson: The constant thud underneath your feet. The constrained space. The monotony of going nowhere fast. Running on a treadmill can certainly feel like torture, but did you know it was originally used for that very purpose? Conor Heffernan details the dark and twisted history of the treadmill. Lesson by Conor Heffernan, animation by Yukai Du.
How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination. Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by Jennifer Lauren Lee. Special thanks to Patreon Supporters: Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, Nathan Hansen Support Veritasium on Patreon: Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%) Music from The Epidemic Sound Serene Story 2
Stained glass is thicker at the bottom - so is it a liquid? Earth's mantle enables plate tectonics, so is it a liquid? Check out Audible: Sign up for the mailing list: Pitch drop experiment: Thanks to Meg Rosenburg for scripting and animation, Raquel Nuno for filming and Aaron White for script consultation.
Designer babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be science fiction are suddenly becoming reality. The only thing we know for sure is that things will change irreversibly. Support us on Patreon so we can make more videos (and get cool stuff in return): Kurzgesagt merch here: Get the music of the video here: soundcloud: bandcamp: Thanks to Volker Henn, James Gurney and (prefers anonymity) for help with this video! THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Jeffrey Schneider, Konstantin Kaganovich, Tom Leiser, Archie Castillo, Russell Eishard, Ben Kershaw, Marius Stollen, Henry Bowman, Ben Johns, Bogdan Radu, Sam Toland, Pierre Thalamy, Christopher Morgan, Rocks Arent People, Ross Devereux, Pascal Michaud, Derek DuBreuil, Sofia Quintero, Robert Swiniarski, Merkt Kızılırmak, Michelle Rowley, Andy Dong, Saphir Patel, Harris Rotto, Thomas Huzij, Ryan James Burke, NTRX, Chaz Lewis, Amir Resali, The War on Stupid, John Pestana, Lucien Delbert, iaDRM, Jacob Edwards, Lauritz Klaus, Jason Hunt, Marcus : ), Taylor Lau, Rhett H Eisenberg, Mr.Z, Jeremy Dumet, Fatman13, Kasturi Raghavan, Kousora, Rich Sekmistrz, Mozart Peter, Gaby Germanos, Andreas Hertle, Alena Vlachova, Zdravko Šašek SOURCES AND FURTHER READING: The best book we read about the topic: GMO Sapiens (affiliate link, we get a cut if buy the book!) – Good Overview by Wired: –timeline of computer development: – Selective breeding: – DNA: – Radiation research: – inserting DNA snippets into organisms: – First genetically modified animal: – First GM patent: – chemicals produced by GMOs: – Flavr Savr Tomato: – First Human Engineering: – glowing fish: – CRISPR: – HIV cut from cells and rats with CRISPR: – first human CRISPR trials fighting cancer: first human CRISPR trial approved by Chinese for August 2016: – genetic diseases: – pregnancies with Down Syndrome terminated: ( 1999 European study) – CRISPR and aging: Help us caption & translate this video!
You can directly support Crash Course at Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content. How does our knowledge grow? It turns out there are some different ideas about that. Schemas, Four-Stage Theory of Cognitive Development, and Vygotsky's Theory of Scaffolding all play different roles but the basic idea is that children think about things very differently than adults. Hank explains in today's episode of Crash Course Psychology. -- Table of Contents Schemas, Assimilation & Accommodation 2:39:12 Piaget's Four-Stage Cognitive Development 1:47:02 Sensortimotor, Preoperational, Concrete Operational, and Formal Operational Periods 3:48:22 Vygotsky's Theory of Scaffolding 7:45:05 -- Want to find Crash Course elsewhere on the internet? Facebook - Twitter - Tumblr - Support CrashCourse on Subbable:
The Salton Sea is the largest body of water in California, home to the second most diverse group of birds in America and it exists by accident. Another great video on the Salton Sea: I used archive from this video. Music by Kevin MacLeod, ‘Mirage’, ‘Hyperfun’, ‘Marty Gots a Plan’, ‘Past the Edge’
Get your custom domain at Check out Joseph from Real Life Lore's book: Subscribe to this new channel from Wendover Productions: Check out my podcast with Brian from Real Engineering: (iTunes link) (YouTube link) Support Wendover Productions on Patreon: Get a Wendover Productions t-shirt for $20: Youtube: Twitter: Email: WendoverProductions@gmail.com Reddit: Animation by Josh Sherrington () Sound by Graham Haerther () Thumbnail by Joe Cieplinski () Elon Musk Photo 1 courtesy Heisenberg Media SpaceX footage courtesy SpaceX Tesla footage courtesy Tesla Music: Under Suspicion by Lee Rosevere and Euphoric by Sound of Picture Big thanks to Patreon supporters: Kevin Song, Kevin Song, David Cichowski, Andy Tran, Victor Zimmer, Paul Jihoon Choi, Dylan Benson, M van Kasbergen, Etienne Dechamps, Adil Abdulla, Arunabh Chattopadhyay, Ieng Chi Hin, Ken Rutabana, John Johnston, Connor J Smith, Rob Harvey, Arkadiy Kulev, Hagai Bloch Gadot, Aitan Magence, Eyal Matsliah, Sihien Goh, Joseph Bull, Marcelo Alves Vieira, Hank Green, Plinio Correa, Brady Bellini
View full lesson: Light, bright, and cheerful, The Four Seasons by Antonio Vivaldi is some of the most familiar of all early 18th century music, featured in numerous films and television commercials. But what is its significance, and why does it sound that way? Betsy Schwarm uncovers the underlying narrative of this musical masterpiece. Lesson by Betsy Schwarm, animation by Compote Collective.
Help support RealLifeLore on Patreon: The world has a lot of strange borders, and in this episode we look at some of the strangest ones yet: enclaves and exclaves. Please Subscribe: Music is by The Solid Ocean, please check out their YouTube here! Facebook: Twitter: Reddit: Subreddit is moderated by Oliver Bourdouxhe Special thanks to Patrons: Joshua Tavares, Wesley Jackson and Matthew Mikulka. Videos explaining things. Mostly over topics like history, geography, economics and science. We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey. Currently, we try our best to release one video every week. Bear with us :) Business Email: email@example.com
We are so happy to give young pups like Rosie a chance at a happy healthy life with loving adopted parents. Vet Ranch Shirts!!! RanchMerch.com If you are interested in helping with animals in the future, please visit our partners at to learn more and to donate if you would like. Abandoned Pet Project is a 501(c)(3), tax exempt non-profit organization. There is no shortage of pets in need, so every donation means more lives we can positively change. Music: Falling (Ft.eSoreni) by SappheirosMusic
Student guides Karen and Christian lead you on a whirlwind tour of the Stanford campus. The tour begins at Stanford Stadium, home to Cardinal football, and ends at the Stanford Visitor Center. Along they way you'll see the Quad, the Dish, and even do a little fountain hopping. This video was originally produced for the launch of the PAC12 Network, Stanford University: Stanford University Channel on YouTube:
View full lesson: Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet, it wasn’t just humans who benefited from these natural phenomena. Even as they destroyed trees, fires also helped the forests themselves. Jim Schulz outlines the benefits of wildfire. Lesson by Jim Schulz, animation by Provincia Studio.
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View full lesson: When we hear the word radiation, it’s tempting to picture huge explosions and frightening mutations. But that’s not the full story — radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much should we worry about its effects? Matt Anticole describes the different types of radiation. Lesson by Matt Anticole, animation by Tinmouse Animation Studio.
Sign up for a 30 day free trial with the Great Courses Plus by clicking here! Volcanoes get pretty strong, but strong enough to destroy the world? That kind of depends on what you think the end of the world means. Please Subscribe: Music is by Brandon Maahs. Check out his website and music by clicking this link: Facebook: Twitter: Reddit: Subreddit is moderated by Oliver Bourdouxhe Special thanks to Patrons: Joshua Tavares, Wesley Jackson and Matthew Mikulka. Videos explaining things. Mostly over topics like history, geography, economics and science. We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey. Currently, we try our best to release one video every two weeks. Bear with us :) Business Email: firstname.lastname@example.org
Check out our Patreon page: View full lesson: Today, surfing is a multi-billion-dollar global industry, with tens of millions of enthusiasts worldwide. For some it’s a serious sport; for others, just a way to let loose. But despite its casual association with fun and sun, surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing. Lesson by Scott Laderman, directed by Silvia Prietov. Thank you so much to our patrons for your support! Without you this video would not be possible. Hiroshi Uchiyama, Adi V, Michal Salman, Peter Liu, Tamás Drávai, Mark Morris, Robert Sukosd, Catherine Sverko, Julie Cummings-Debrot, Ricardo Rendon Cepeda, Maya Toll, Jose Mamattah, Mauro Pellegrini, Javier Martinez Lorenzo, Ka-Hei Law, Chris, Tim Leistikow, Andrés Melo Gámez, Renhe Ji, Alex Serbanescu, Della Palacios, Vik Nagjee, Karen Goepen-Wee, Stephanie Perozo, Bryan Blankenburg.
View full lesson: The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Eastern Europe, but it has differed in the terrifying details. So, how did we arrive at the popular image we know, love and fear today? And what truly makes a vampire.a vampire? Michael Molina digs up the science and the superstition. Lesson by Michael Molina, animation by The Moving Company Animation Studio.
View full lesson: This video was created with support from the U.S. Office of Research Integrity: . For several centuries, people though diseases were caused by wandering clouds of poisonous vapor. We now know that this theory is pretty ridiculous, and that diseases are caused by specific bacteria. But how did we get to this new idea of germ theory? Tien Nguyen describes the work of several scientists who discredited a widely accepted theory in a way that was beneficial to human health. Lesson by Tien Nguyen, animation by Brandon Denmark.
Do you really need a daily shower to stay clean, or is it doing more harm than good? Some scientists have recommendations based on what we know about our skin — and what might be living on top of it. We're conducting a survey of our viewers! If you have time, please give us feedback: Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Inerri, D.A. Noe, Charles Southerland, Fatima Iqbal, سلطان الخليفي, Nicholas Smith, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: Twitter: Tumblr: Instagram: ---------- Sources:
View full lesson: GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Lesson by Wilton L. Virgo, animation by Nick Hilditch.
Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the universe, and it has a wealth of information to tell us if we can learn to read it. Like Crash Course? Follow Crash Course! Tumbl Crash Course: Table of Contents Dmitri Mendeleev - 0:45 Mendeleev's Organization of the Periodic Table - 2:31 Relationships in the Periodic Table - 5:03 Why Mendeleev Stood Out from his Colleagues - 7:09 How the Periodic Table Could be Improved - 8:28 More info. about the cylindrical periodic table of elements: Support CrashCourse on Subbable:
If the Earth were the size of a basketball and the moon a tennis ball, how far apart would they be? Diagrams that are not to scale make us think that they're closer than they really are.
Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules. Check out How Ridiculous: Snatoms magnetic molecules: Veritasium on Patreon: Special thanks to South Bay Line-X: Thanks to Patreon supporters: Nathan Hansen, Bryan Baker, Donal Botkin, Tony Fadell, Saeed Alghamdi Filmed by Prashanth Venkataramanujam SFX by A Shell in the Pit