“The magnanimous Arthur, with all the kings and military force of Britain, fought against the Saxons. And though there were many more noble than himself, yet he was twelve times chosen their...

She’s one of history’s youngest warriors. At an age when most of us were still stressing over what to wear to school, Joan of Arc was leading thousands of French troops into battle against...

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In the summer of 1976, the city of New York was thrown into a state of terror. A madman was on the loose, wandering the streets and killing people at random. This was a killer who loved publicity,...

Get a 30-day free trial with Audible at http://audible.com/wonderwhy or text wonderwhy to 500 500; choose 1 audiobook and 2 Audible originals per month. I highly recommend Prisoners of Geography, great for anyone interested in geopolitics. In this video I look at some of the world s oldest international borders. While the oldest border itself is actually fairly easy, I look at some other old borders, and consider the possibility that some border may be even older than maps themselves, forged by natures long before the modern-day countries formed. Music by Epidemic Sound: http://epidemicsound.com/creator Reddit post that inspired this video: https://www.reddit.com/r/MapPorn/comments/7ndxz9/i_tried_to_find_the_date_of_origin_for_every/

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://pbsspacetime.com/ The universe is big, but it’s peanuts compared to the eternally inflating multiverse. But just how many universes are there? What are they like? And most importantly, what can they tell us about … aliens? Challenge Answer Winners Steven Mertens David DeLaney Chris Lotery Eneko Fabien Sangouard Ian Bonnell *Please email your selection from the Space Time Merch Store along with your address to pbsspacetime@gmail.com with the subject line “Challenge Question Winner” Hosted by Matt O Dowd Written by Matt O Dowd Graphics by Leonardo Scholzer Directed by: Andrew Kornhaber Executive Producers: Eric Brown & Andrew Kornhaber End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/channel/UCRl6-nb4iOnsij-vnpAjp0Q Imagine it: the observable part of our universe is 93 billion light years across, and that’s just a small fraction of the stuff created in our Big Bang. But in the eternal inflation picture, ours is just one among uncountable bubble universes. Bubbles that are continuously appearing and growing within a vastly larger spacetime that itself expands at an exponentially accelerating rate. A greater inflationary spacetime whose expansion never ends. We looked at the bizarre idea of eternal inflation in recent episodes – but we stopped short of exploring the full implications of this proposition. Those implications are, frankly, completely nuts. Some may also be true. Big Bang Supporters: Alexander Tamas Anton Lifshits David Barnholdt David Boyer David Nicklas Fabrice Eap Juan Benet Justin Lloyd Matt Miller Morgan Hough Quasar Supporters: Mark Heising Mark Rosenthal Vinnie Falco Hypernova Supporters: Chuck Zegar Danton Spivey Donal Botkin Edmund Fokschaner Hank S Joe Pearce John Hofmann John R. Slavik Jordan Young Joseph Salomone Matthew Matthew O Connor Syed Ansar Gamma Ray Burst Supporters: A.G. Adrian Molyneux Alec Zero Andreas Nautsch Bradley Jenkins Brandon Labonte Brian Dan Warren Daniel Lyons David Behtala DFaulk Dustan Jones Geoffrey Short Greg Smith James Flowers James Quintero John Funai John Michael Kerr John Pollock John Robinson Jonathan Nesfeder Joseph Dillman Josh Thomas Kevin Lee Kevin Warne Kyle Hofer Malte Ubl Mark Vasile Nick Virtue Nick Wright Paul Rose Scott Gossett Sean Warniaha Steve Bradshaw Tim Stephani Tonyface Yurii Konovaliuk

To learn more about Brilliant, go to http://Brilliant.org/reallifelore/ and sign up for free. The first 200 people to use that link will also get 20% off a premium subscription. Check out my new channel RealLifeLore2 https://bit.ly/2Yni5dx Please Subscribe: http://bit.ly/2dB7VTO Animations courtesy of Lili Pereira. Check out her channel here! https://www.youtube.com/user/HelloLillyTV/ Facebook: https://www.facebook.com/RealLifeLore/ Reddit: https://www.reddit.com/r/RealLifeLore/ Instagram: https://www.instagram.com/joseph_pise... Subreddit is moderated by Oliver Bourdouxhe 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, I try my best to release one video every week. Bear with me :)

John F. Kennedy served as the 35th President of the United States, before he was killed in 1963. While we all know about JFK, chances are that you probably know more about the conspiracy theories...

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John Franklin was born on April 16th, 1786 in Spilsby, Lincolnshire in England. He was the ninth of twelve children to Willingham Franklin and Hannah Weekes. Willingham was a successful merchant,...

Check out Brilliant: https://brilliant.org/Biographics/ We made a mistake in the video. The American Revolutionary War dates should be: Started: April 19, 1775 Won: September 3, 1783. We...

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This is the extraordinary story of Master Sergeant Raul ‘Roy’ Benavidez, the Lazarus soldier, and of his three lives. This outstanding individual never surrendered in the face of adversity,...

This is the story of the success of a Hungarian boy who went to America and became one of the most successful entertainers of all times, known as the Master of the Escape. He was, of course,...

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