R9tJ4TkG0fU pbs-space-time-will-the-big-bang-happen-again-and-again PBS Space Time | Will The Big Bang Happen Again and Again? How did the universe begin? How can something come from nothing? Z_AEEg5VhA4 kosmo-a-lifelong-journey-space-travellers Kosmo | A Lifelong Journey | Space Travellers Space has always beckoned man with its mystery and unpredictability. y4ouRg_RbVY pbs-eons-did-asteroids-spark-life PBS Eons | Did Asteroids Spark Life? We may have planet-shattering asteroids to thank for the origin of life on Earth. BByfsocqDU4 pbs-america-the-last-artifact-full-special PBS America | The Last Artifact | Full Special The Last Artifact follows the high-stakes race to redefine the world's base unit to measure weight and reveals the untold story of one of the most important objects on the planet. kT_CTRCfPnw pbs-america-special-the-amish-shunned PBS America Special | The Amish: Shunned What is it like to be cut off from your faith and your family? 7sHHVJz9hRQ how-spacexs-recent-launch-could-revolutionize-space-travel How SpaceX's Recent Launch Could Revolutionize Space Travel SpaceX has been making headlines in recent months for pulling off the impossible. We all saw the stunning pictures of a rocket returning to its launch platform vertically, but few have broken down just how incredible this event was in history. In this episode, we attempt to do that. XMjLwmgipsA pbs-eons-when-earth-ate-a-planet PBS Eons | When Earth Ate A Planet Where did our unique moon come from? It turns out that lunar rocks brought back by Apollo astronauts are a clue, pointing to the origin of our closest cosmic companion, an origin even stranger than you might imagine… dBxxi5XAm3U we-traveled-back-in-time-now-physicists-are-angry We Traveled Back in Time | Now Physicists Are Angry Time travel is possible. In fact, you’ve been doing it since the day you were born. But what if we told you there’s a way to hack the universe and manipulate time itself? vLfV9PowEbw time-travelers-the-mystery-and-science-of-time-slips Time Travelers | The Mystery and Science of Time Slips Imagine walking down a familiar street when suddenly everything changes. The asphalt beneath your feet transforms into cobblestone, cars vanish, replaced by horse-drawn carriages. The air fills with the scent of coal smoke and horse manure. 26ZmKqLNSZ8 pbs-space-time-can-a-particle-be-neither-matter-nor-force PBS Space Time | Can a Particle Be Neither Matter Nor Force? All particles belong to two large groups: fermions like protons and electrons make everything we consider "matter", while bosons like photons and gluons transmit the fundamental forces. WqcoMOxGWfs pbs-eons-theres-no-single-cradle-of-humankind PBS Eons | There's No Single Cradle of Humankind It would take decades for paleontologists to realize that maybe there wasn’t just one so-called "cradle of humankind," and realize that maybe they’d been asking the wrong question all along. JK1BfPw7lnQ pbs-terra-how-big-business-broke-recycling-and-blamed-you PBS Terra | How Big Business broke Recycling and Blamed You Recycling has been the gold standard for fighting pollution for decades. But most plastics can’t be recycled and the companies that push for recycling are the ones often generating the most emissions and waste in the first place. ZJqmyLCfA-I pbs-eons-the-hazy-evolution-of-cannabis PBS Eons | The Hazy Evolution of Cannabis How did such a strange plant like cannabis come to be in the first place? When and where did we first domesticate it? And why oh why does it get us high? xXarBrYVgPY exolife-how-far-can-the-voyager-1-travel Exolife | How Far Can The Voyager 1 Travel? Embark on a captivating journey with us as we explore the incredible voyage of Voyager 1, humanity's farthest-reaching spacecraft. mH2aE0lk2XM pbs-terra-why-its-time-to-stop-saving-the-planet PBS Terra | Why It's Time to Stop Saving the Planet We care about the planet. But what if it's time to stop "saving it"? Op_LNbZYQOQ the-why-files-compilation-time-travel-stories The Why Files Compilation | Time Travel stories! We're on break between seasons! Yeah, I guess we're doing seasons now. kauDsIeIMxs pbs-eons-when-did-we-start-practicing-medicine PBS Eons | When Did We Start Practicing Medicine? When did practicing medicine - in its varied, complex forms (from sharing medicinal plants to the earliest surgeries) - become something that we actually started doing? GiO1a9N65y4 bright-sun-travels-disney-world-has-gotten-too-expensive Bright Sun Travels | Disney World Has Gotten Too Expensive For years, I have watched as the price of a Disney World vacation has gotten more and more expensive. uMItdDUYAeA pbs-eons-animals-might-be-much-older-than-we-thought PBS Eons | Animals Might Be Much Older Than We Thought What are animal-like fossils doing in rocks a billion years old, and what does that mean for our understanding of their evolution and geologic time itself? HE2MmAGUgnw pbs-eons-our-most-mysterious-extinct-cousins PBS Eons | Our Most Mysterious Extinct Cousins There was a group of hominins, those creatures more closely related to us than to chimpanzees, that did take a different, parallel journey from our ancestors. ALmS9E87LCg pbs-space-time-does-antimatter-create-anti-gravity PBS Space Time | Does Antimatter Create Anti-Gravity? From hoverboards to flying cars to cloud cities, anti-gravity is a staple of science fiction and our dream of a less Earth-bound future. But in the real universe gravity appears to be a purely attractive force. viTE77xIji0 pbs-eons-beans-and-bees-not-bats-gave-us-butterflies PBS Eons | Beans and Bees, Not Bats, Gave Us Butterflies Turns out, instead of having bats to thank for the existence of butterflies, the groups we should actually be thanking are…bees and beans. CleBC18qoyA pbs-eons-the-huge-extinctions-we-are-just-now-discovering PBS Eons | The Huge Extinctions We Are Just Now Discovering What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and suffocating before eventually clearing up again. j-tGHCHVM_o the-time-travel-mystery-of-mike-mad-man-marcum The Time Travel Mystery of Mike "Mad Man" Marcum Mike fired up the box and the lasers came to life... opg6RO9cYnk pbs-eons-when-did-we-stop-being-naked PBS Eons | When Did We Stop Being Naked? Of course, the ancient Egyptians were probably not the first people to ever wear clothing, but we haven’t found any clothes older than the Tarkhan Dress. So how can we figure out when we first started wearing clothes? ARlyiftCQ1o pbs-america-worlds-greatest-natural-fires PBS America | World's Greatest Natural Fires Get up close and personal with great fire icons. e4-ruUSBe8U pbs-special-edgar-allan-poe-buried-alive PBS Special | Edgar Allan Poe | Buried Alive Edgar Allan Poe: Buried Alive draws on the rich palette of Poe's evocative imagery and sharply drawn plots to tell the real story of the notorious author. uM51_Vui9tA pbs-eons-are-giant-animals-inevitable PBS Eons | Are Giant Animals Inevitable? The journey the thunder beasts took to reach such mega proportions from such humble beginnings forces us to ask an important question, one that paleontologists have been asking for more than a century: from an evolutionary perspective, is bigger always better? ZLrMwDD8u_Q pbs-space-time-the-farthest-star-ever-seen PBS Space Time | The Farthest Star Ever Seen! To understand where we came from, how earth, the solar system, the galaxy became what they are today, we need to understand the beginning of time. b9O6iCM4vCg astrum-how-light-travels-faster-than-the-speed-of-light Astrum | How Light Travels Faster Than the Speed of Light The double slit experiment through time...