Dr. Ravi Aysola helps debunk (and confirm!) some common myths about how we sleep. Do we only ever sleep with our eyes closed? Does everyone need to sleep 7 hours a night? Can you catch up on lost sleep? Is insomnia all in your head? Dr. Ravi Aysola is a Professor of Clinical Sleep Medicine at UCLA.

Dialect coach Erik Singer is back, this time to take a look at tongue twisters. We've all tried tongue twisters in our lives, and know how hard they can be! But "why" are they hard? What makes one group of words more difficult to speak fluidly than others? Erik explains why our tongues get so twisted up, and breaks down how different tongue twisters affect different people with different accents. Ultrasound Tongue Twister footage courtesy of Professor Ian Wilson, CLR Phonetics Lab at the University of Aizu, Japan Sagittal Section Diagram courtesy of Professor Daniel C. Hall, Linguistics & Department of English Saint Mary’s University, Halifax, N.S. https://incl.pl/sammy/ Thank you for all our tongue twister participants! Nicole Cunniff Larry Chan Taylor Faires Nichole Holze Alina Peng Sarah Jack Siobhan Pesce Bob Wendland Anushka Conway Maxine Jones Jordan Trafford Elizabeth Cartwright Brooke Henzell Tim Mills Clare/Clisare Cullen Kamal Batra Dylan Rogers Kayla Pereira Marcus A Siler Louise Starks

For all intensive purposes, dialect coach Erik Singer is literally an expert when it comes to language. So, who better to curve our hunger for knowledge than him and his colleague, fellow dialect coach Eliza Simpson. Erik and Eliza break down some of the most common pet peeves we associate with language; some so common we often take them for granite. This episode features a special guest appearance by dialect coach, Eliza Simpson. Vocal cord imagery courtesy of Jan G. Svec Videokymographic images of the three voice registers taken from the study "Svec, J. G. (2004). Research journey: chest-falsetto discontinuity and videokymography. In H. K. Schutte, S. Poppema, & E. te Bos (Eds.), Physiology and Acoustics of Singing (PAS), 3-5 October, 2002, Groningen, the Netherlands (CD-ROM). Groningen, the Netherlands: Groningen Voice Research Lab (https://www.researchgate.net/publication/241682145_RESEARCH_JOURNEY_CHEST-FALSETTO_DISCONTINUITY_AND_VIDEOKYMOGRAPHY)", courtesy of Jan G. Svec, Palacky University, Olomouc, Czechia.

Cybersecurity expert Eva Galperin helps debunk (and confirm!) some common myths about cybersecurity. Is the government watching you through your computer camera? Does Google read all your Gmail? Does a strong password protect you from hackers? Will encryption keep my data safe? Eva answers all these questions and much more. Eva Galperin is the Director of Cybersecurity at the Electronic Frontier Foundation. Updated 8/20/2020: A previous version of this video incorrectly stated that Google scans Gmail data to target ads. Google stopped this practice in 2017.

Here’s what to expect in your next iPhone update.

Marc Rogers, Nate Warfield, and Ohad Zaidenberg spoke with Andy Greenberg at WIRED25 about the cyber threats facing hospitals and critical infrastructure during the pandemic, and the volunteer cybersecurity experts stopping them.

From Stanley Kubrick's 2001: A Space Odyssey to Disney's Star Wars spin-off series, The Mandalorian, visual effects are breaking barriers and conventions year after year. Taking us through some of these pivotal VFX moments in film history is visual effects artist Steven Bray, who's worked on shows including The Crown, Sherlock and Silent Witness. Join Bray as he breaks down Yul Brynner's heat vision in Westworld, Jurassic Park's CGI dinosaurs and those Davy Jones tentacles from Pirates of the Caribbean: Dead Man's Chest. #VisualEffects #FilmHistory #CGI

Nanotechnology researcher Dr. George S. Tulevski is asked to explain the concept of nanotechnology to 5 different people; a child, a teen, a college student, a grad student, and an expert.

The Tolkien Professor, Cory Olsen, uses the power of Twitter to answer the internet's burning questions about J.R.R. Tolkien, The Lord of the Rings, and all the associated lore. Does Sauron use any weapons? Do compasses exist in Middle-Earth? Is there a Tolkien book about the Goblin and Dwarf Great War? Cory answers all these questions and much more. Corey Olsen, also known as The Tolkien Professor, is the Founder and President of Signum University, a nonprofit higher education institution dedicated to affordable and accessible online learning with a special focus on promoting the humanities. Through the Mythgard Academy, a Signum institution, Corey offers weekly explorations of The Lord of the Rings and other opportunities to discuss speculative literature and adaptations. Follow Corey on Twitter at https://twitter.com/tolkienprof Learn more: * Signum University: https://signumuniversity.org * Exploring The Lord of the Rings: https://mythgard.org/lotro/exlotr/ * The Tolkien Professor: https://tolkienprofessor.com

Inside these walls, scientists have been trying for decades to create an unlimited source of energy, nuclear fusion. Welcome to JET, the world's biggest nuclear fusion experiment. Scientists argue that fusion could replace coal gas and nuclear fission in the energy mix alongside renewable energy, which can prove to be unreliable. If we can learn to control it, nuclear fusion could change life as we know it. But that's a big if. This video was produced as part of Digital Society, a publishing partnership between WIRED and Vontobel where all content is editorially independent. Visit Vontobel Impact for more stories on how technology is shaping the future of society: https://www.vontobel.com/en-int/about-vontobel/impact/ With thanks to the CCFE: https://ccfe.ukaea.uk #WIRED #NuclearFusion #NuclearReactor

Produced by WIRED Brand Lab with Dropbox | When social isolation began, Cameo founder Steven Galanis thought his company’s days were numbered, when in reality the opposite occurred. Discover how Galanis is managing record-breaking growth in the midst of a global pandemic in conversation with Guy Raz.

Before co-founding SHOWFIELDS, The Most Interesting Store in The World, Hunt began her career as the third employee of Warby Parker, and served as Chief Brand Officer for Hinge. Join Hunt at WIRED Smarter as she discusses the importance of creating an in-store experience for her customers. ABOUT WIRED SMARTER Curated by WIRED’s award-winning editorial team, WIRED Smarter gathers the disruptive minds across business, technology, retail, finance and politics to investigate how innovation, technological advances and world events are changing the way we interact with customers.

Dialect coach Erik Singer takes us on a tour of different accents across English-speaking North America. Erik, along with a host of other linguists and language experts, takes a look at some of the most interesting and distinct accents around the country. Host: Erik Singer Director: Alice Roth Producer: Alyssa Marino & Erik Singer Production Manager: Morgan Winters Editor: Brady Jackson and Justin Sloan Post Production Manager: Nick Ascanio Head of Programming for WIRED: Chris Conti Linguists & Language Experts: Nicole Holliday, Megan Figueroa, Sunn m’Cheaux, & Kalina Newmark Dialect demonstrations: Amani Dorn NYC accent demonstration courtesy of La Tasha Stephens Latinx Light L demonstration courtesy of International Dialects of English Archive DC accent demonstration courtesy of International Dialects of English Archive North Carolina accent demonstrations courtesy of The Language & Life Project Talkin’ Tar Heel, How Our Voices Tell the Story of North Carolina Special thanks to: Reg Charging Zachary Cooper Justin McBride Eliza Simpson James N. Stanford Pamela Vanderway Nacole Walker Dr. Walt Wolfram International Dialects of English Archive The Language & Life Project Talkin’ Tar Heel, How Our Voices Tell the Story of North Carolina The American Dialect Society: https://www.americandialect.org/ Dictionary of American Regional English and Field Recordings: https://search.library.wisc.edu/digital/AAmerLangs Indigenous North American accents: https://www.yesmagazine.org/democracy/2017/03/06/how-rez-accents-strengthen-native-identity/ https://www.babbel.com/en/magazine/native-american-accents https://indigenousaccents.info.yorku.ca/resources/ African American Language: https://oraal.uoregon.edu/ New York Latino English: http://qcpages.qc.cuny.edu/~mnewman/Site/NYLE.html Appalachian English https://artsandsciences.sc.edu/appalachianenglish/ North Carolina accent and dialect variation: https://talkintarheel.com/ Learning the tools and skills needed to be good at teaching or doing accents: http://ktspeechwork.org Language variation and education: https://charityhudleymallinson.com/resources/secondaryenglish/ Language discrimination and racism: https://www.linguisticsociety.org/content/lsa-statement-race Other sources for accents: https://www.dialectsarchive.com/ https://www.pinterest.com/dialectcoaches/_created/ https://dc.lib.unc.edu/cdm/landingpage/collection/sohp https://storycorps.org/ http://accent.gmu.edu/ https://visualaccentdialectarchive.com//

Dialect coach Erik Singer once again takes us on a tour of different accents across English-speaking North America. Erik, along with a host of other linguists and language experts, takes a look at some of the most interesting and distinct accents around the country.

Most business leaders agree that remote working is here to stay. So how can businesses successfully adapt to this shift, and what have they already learnt? Along with their partner Ezra, WIRED Consulting convened leaders from Cisco, AzstraZeneca and Ovo to dive into this topic.

For a third time, dialect coach Erik Singer takes us on a tour of different accents across English-speaking North America. Erik, along with a host of other linguists and language experts, takes a look at some of the most interesting and distinct accents around the United States, Mexico and Canada. Host: Erik Singer Director: Alice Roth Producer: Alyssa Marino & Erik Singer Director of Photography: Charlie Jordan Production Manager: Morgan Winters Editor: Justin Sloan Post Production Manager: Nick Ascanio Head of Programming for WIRED: Chris Conti Linguists: Nicole Holliday, Megan Figueroa, Sunn m’Cheaux, & Kalina Newmark Dialect demonstrations: Amani Dorn Language Nest Revitalization Efforts in Hawaii footage courtesy of ʻŌiwiTV and ʻAha Pūnana Le A huge special thanks to: Pamela Vanderway Eliza Simpson James N. Stanford Nacole Walker Justin McBride Zachary Cooper Reg Charging International Dialects of English Archive The Language & Life Project Talkin’ Tar Heel, How Our Voices Tell the Story of North Carolina Dr. Walt Wolfram ʻŌiwiTV and ʻAha Pūnana Le

Why are cicadas so freakin' loud? Entomologist Samuel Ramsey has the answers. Dr. Sammy explains why it's so important for cicadas to gather in large groups and make lots of noise.

The Tolkien Professor, Cory Olsen, once again uses the power of Twitter to answer the internet's burning questions about J.R.R. Tolkien, The Lord of the Rings, and all the associated lore. Why can't Frodo ride an eagle all the way to Mount Doom? Would the battle at Helm's Deep gone differently if it hadn't rained? How much time passes between "The Fellowship of the Ring" and "The Return of the King"? Cory answers all these questions and much more. Corey Olsen, also known as The Tolkien Professor, is the Founder and President of Signum University, a nonprofit higher education institution dedicated to affordable and accessible online learning with a special focus on promoting the humanities. Through the Mythgard Academy, a Signum institution, Corey offers weekly explorations of The Lord of the Rings and other opportunities to discuss speculative literature and adaptations. Follow Corey on Twitter at https://twitter.com/tolkienprof Learn more: * Signum University: https://signumuniversity.org * Exploring The Lord of the Rings: https://mythgard.org/lotro/exlotr/ * The Tolkien Professor: https://tolkienprofessor.com

Dennis McCarthy, the man behind all of the cars from the Fast and the Furious franchise, uses the power of Twitter to answer the internet's burning questions about cars. How many cars have they destroyed filming the Fast and the Furious franchise? What's the point of spoilers on cars? Why do people rev their engines? What's better, a low-rider or a muscle car? Dennis answers all these questions and much more. F9 is in theaters June 25, http://www.thefastsaga.com/

Produced by WIRED Brand Lab with Dropbox | Illustrator and designer Sophia Chang talks about her mission to empower women within sneaker culture and using Dropbox to collaborate.

- Made in collaboration with the International Spy Museum - Keith Masback, former Director of Intelligence, Surveillance, and Reconnaissance Integration for the US Army, explains how to understand satellite imagery, and provides a few tips and tricks for what people like him are generally looking for. Keith talks about how to tell man-made and natural environments apart from each other and breaks down what typical military routines from other countries looks like.

Entomologist Samuel Ramsey answers the internet's burning questions about insects. What are the best insects to eat? Why do crickets hear from their legs? How do bugs breath? Dr. Sammy answers all these questions and much more.

Entomologist Dr. Sammy Ramsey is back to break down clips from movies and TV about bugs. What happens if a radioactive spider bites you like in Spider-Man? Do butterflies really look like they do in SpongeBob SquarePants? Do swarms of bugs really attack you like in so many Hollywood movies? Dr. Sammy provides answers to all these burning questions, and much more.

Former FBI agent and body language expert Joe Navarro explains how we can project confidence through our body language. Joe takes a look at various celebrities and politicians and demonstrates the things that they do that can help them appear confident.

A conversation with WIRED's Executive Editor Brian Barrett and Senior Writer Lauren Goode.

Dr. Morgan Levine, a professor who specializes in the biology of aging, answers the internet's burning questions about aging.

Dr. Serena H. Chen, a reproductive endocrinologist and fertility specialist, answers the internet's burning questions about fertility.

Sleep researcher Dr. Jeffrey Iliff answers the internet's burning questions about sleep. What causes sleep paralysis? Can we control our lucid dreams? Why do naps make us more tired? Can you ever catch up on sleep? Dr. Iliff answers all these questions and much more.

Produced by WIRED Brand Lab with AWS | Chatboxes serve an important role in customer service, and some require knowledge of many languages to run globally, which can be costly and time-consuming. Autodesk uses AWS Inferentia to help its chatbox, AVA, route questions through multiple ML models at once and generate responses in milliseconds - serving 5x the amount of customers at half the cost.

Produced by WIRED Brand Lab with AWS | Online gamers have the potential to create entire worlds - but when a surge of players join, the processing power needed for the game to run increases dramatically. AWS EC2 helps these world-building games - like Fortnite from Epic Games - scale seamlessly so players get an uninterrupted, immersive experience with cost efficiency, allowing anyone to be the creator of the next biggest game.

Everyone's favorite garbage nerd, Meredith Danberg-Ficarelli, is here to answer the internet's burning (well, maybe we'll ease up on the burning) questions about waste.

Professor Neil Price explains the various weapons used in Robert Eggers's new viking movie, The Northman.THE NORTHMAN is in theaters now, https://www.focusfeatures.com/the-northman

Beth Kimmerle is an author and taste expert, and she's here to answer the internet's burning questions about all things food, tongues and taste. What does Coca-Cola actually taste like? What makes someone a "supertaster"? Why does gum only seem to last for 5 minutes? Beth answers all these questions and much more! Director: Justin Wolfson Director of Photography: Josh Herzog Editor: Lika Kumoi Expert: Beth Kimmerle Line Producer: Joseph Buscemi Associate Producer: Brandon White Production Manager: Eric Martinez Casting Producer: Nicole Ford Assistant Camera: Lauren Pruitt Audio: Gabe Quiroga Post Production Supervisor: Nicholas Ascanio Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Billy Ward

Feathery looks are a staple of modern fashion. Biologist and author Thor Hanson explores the unexpected origins of feathers in fashion, and how our quest for plumes brought some species to the brink of extinction.

Jeremiah Baumann, Chief of Staff at the US Department of Energy, takes to Twitter to answer the internet's burning questions about all types of energy. Why are gas prices soooo high? Do wind turbines cause cancer? Are electric vehicles better for the environment than gas vehicles? How is the strategic petroleum preserve going to be replenished? Jeremiah answers all these questions and much more.

Former FBI agent and body language expert Joe Navarro sits down with WIRED to talk about the non-verbal language of appearance. The ornate nature of how we attend to our bodies has grand significance throughout humankind. The way we present ourselves, across cultures, continues to be of massive importance. But, just how important is appearance to things like success, money and power? Check out Joe's book "Be Exceptional" https://www.amazon.com/Be-Exceptional-Master-Traits-Extraordinary-ebook/dp/B08K93BLQP/ref=tmm_kin_swatch_0?_encoding=UTF8&qid=&sr= https://www.jnforensics.com/ Books By Joe Navarro: https://www.jnforensics.com/books Joe Navarro Body Language Academy: https://jnbodylanguageacademy.com

Crime scene analyst Matthew Steiner answers the internet's burning questions about forensics and crime scenes. Why don't we use chalk outlines for dead bodies anymore? How did OJ Simpson get acquitted? How many people got away with murder before DNA evidence? How does height affect blood spatter? Matt answers all these questions and much more! Director: Justin Wolfson Director of Photography: Samuel Levine Editor: Ron Douglas Expert: Matthew Steiner Line Producer: Joseph Buscemi Associate Producer: Brandon White Production Manager: Eric Martinez Production Coordinator: Fernando Davila Camera Operator: Claudio Corredor Audio: Adam Gold Production Assistant: Ryan Coppola Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Billy Ward Junior Editor: Paul Tael

Scientist and A.I. expert Gary Marcus answers the internet's burning questions about artificial intelligence. Will ChatGPT end college essays? Is Furby A.I.? How close are we to truly self-driving cars? Is the Turing test outdated? Gary answers all these questions and much more! Director: Sean Dacanay Director of Photography: Ricardo Pomares Editor: Richard Trammell Expert: Gary Marcus Producer: Justin Wolfson Line Producer: Joseph Buscemi Associate Producer: Paul Gulyas Production Manager: Eric Martinez Production Coordinator: Fernando Davila Casting Producer: Nicole Ford Camera Operator: Josh Andersen Audio: Will Miller Production Assistant: Gee Depratt Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Paul Tael

Renowned sneaker expert and designer Jeff Staple answers your sneaker-centric questions from Twitter.

Today Alex Wellerstein, an historian of nuclear weaponry, breaks down the science behind Christopher Nolan’s 2023 film “Oppenheimer.”

Reptile expert and host of JayPrehistoricPets Jay Brewer visits WIRED to answer your questions from Twitter. Reptile Royalty starring Jay Brewer is Now Available on The Roku Channel. We inadvertently show a crocodile rather than an alligator at 4:12 of this video—sorry!

WIRED challenged body language experts Joe Navarro, Anne-Maartje Oud, and Abbie Marono to observe 5 couples on dates—and guess how long each pair had been together.

Produced by WIRED Brand Lab with Deloitte | WIRED Brand Lab sits down with Deloitte Consulting's CEO, Deputy CEO, and CCO to understand how Deloitte harnesses the inherent power of unexpected combinations of people, platforms, partners, and technologies to tackle today’s most complex challenges.

WIRED asked experts from all corners of society and academia to answer questions about the future of technology, artificial intelligence, and humanity itself.

Professor of Ancient Rome Lauren D. Ginsberg answers the internet's burning questions about the Roman Empire. What did Romans snack on in the Colosseum? Why does Ancient Roman concrete differ from modern forms of concrete? Did gladiators really fight lions? This Roman expert answers all these questions and much more. Director: Justin Wolfson Director of Photography: Constantine Economides Editor: Louville Moore; Ron Douglas Expert: Lauren Ginsberg Line Producer: Joseph Buscemi Associate Producer: Paul Gulyas; Brandon White Production Manager: D. Eric Martinez Production Coordinator: Fernando Davila Casting Producer: Nicholas Sawyer Camera Operator: Christopher Eustache Gaffer: Rebecca Van Der Meulen Sound Mixer: Michael Guggino Production Assistant: Sonia Butt Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Additional Editor: Paul Tael Assistant Editor: Billy Ward

Body language experts explain how to conduct yourself during a job interview. From the very start of the interview process to maintaining your poise until leaving the room, Joe Navarro, Dr. Abbie Maroño and Anne-Maartje Oud demonstrate the things interviewers are looking out for and how to make the best first impression. Director: Joe Pickard Director of Photography: Olivia Kuan Editor: Matthew Colby; Jordan Calig Talent: Abbie Marono; Joe Navarro; Anne-Maartje Oud Creative Producer: Katherine Wzorek Line Producer: Joseph Buscemi Associate Producer: Paul Gulyas Production Manager: Peter Brunette Production Coordinator: Kariesha Kidd Camera Operator: Josh Andersen Sound Mixer: Kara Johnson Production Assistant: Liza Antonova Hair & Make-Up: Maureen Sherwood Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Lauren Worona

Toy analyst and historian Chris Byrne answers the internet's burning questions about the toys. Do kids still play with action figures or are adult collectors fueling the industry? How did the pet rock become such a hot trend? What's his favorite toy fad? This toy expert answers all these questions and much more.Director: Justin WolfsonDirector of Photography: Ben DeweyEditor: Louville MooreExpert: Chris ByrneLine Producer: Joseph BuscemiAssociate Producer: Paul GulyasProduction Manager: D. Eric MartinezProduction Coordinator: Fernando DavilaCasting Producer: Nicholas SawyerCamera Operator: Mar AlfonsoSound Mixer: Rebecca O’NeilProduction Assistant: Sonia ButtPost Production Supervisor: Alexa DeutschPost Production Coordinator: Ian BryantSupervising Editor: Doug LarsenAdditional Editor: Paul TaelAssistant Editor: Billy Ward

Professor of urban planning Kate Nelischer answers your questions about real estate and the US housing crisis from Twitter. Why are homes so expensive? How is AirBnB affecting the housing market? Why can't millennials afford a home? Answers to these questions and many more await—it's Housing Support.Architectural models by Reid Architecturehttps://reidarc.com/The graph shown at 0:18 depicts income data adjusted for inflation, while the rental price is not. Rental prices are still outpacing income growth, though the increase of rental prices since 1985 is not 100% when adjusted for inflation.Director: Lisandro Perez-ReyDirector of Photography: Constantine EconomidesEditor: Louville Moore; Louis LalireExpert: Dr. Kate NelischerLine Producer: Joseph BuscemiAssociate Producer: Brandon WhiteProduction Manager: Peter BrunetteProduction and Equipment Manager: Kevin BalashCasting Producer: Nick SawyerCamera Operator: Roberto HerreraSound Mixer: Brett Van DeusenProduction Assistant: Sonia ButtPost Production Supervisor: Christian OlguinPost Production Coordinator: Ian BryantSupervising Editor: Doug LarsenAdditional Editor: Paul TaelAssistant Editor: Billy Ward

Dr. Ed Barnhart, an American archaeologist, answers the internet's burning questions about the ancient Maya civilization. Why was the Maya calendar year only 260 days? Who did they sacrifice? Did they build more pyramids than the Egyptians? This Maya expert answers all these questions and much more.Dr. Ed Barnhart is the director of Maya Exploration Center https://www.mayaexploration.orgCheck out The ArchaeoEd Podcast - https://www.archaeoed.com for more content about the ancient Americas.Director: Lisandro Perez-ReyDirector of Photography: AJ YoungEditor: Christopher JonesExpert: Ed BarnhartLine Producer: Joseph BuscemiAssociate Producer: Brandon WhiteProduction Manager: Peter BrunetteCasting Producer: Nicholas SawyerCamera Operator: Lucas VilicichSound Mixer: Kari BarberProduction Assistant: Fernando BarajasPost Production Supervisor: Christian OlguinPost Production Coordinator: Ian BryantSupervising Editor: Doug LarsenAdditional Editor: Paul TaelAssistant Editor: Billy Ward

Prompt Engineer Michael Taylor joins WIRED to answers your questions from Twitter about artificial intelligence prompts. What is a prompt engineer and why do companies employ them? What are some general tips to improve the AI prompts we use? Why do AI-generated hands have the wrong number of fingers so often? What is AI “hallucinating?” How long will ChatGPT remember the context of your conversations? These questions and plenty more are answered on Prompt Engineer Support.