How the Pyramids Were Built (Pyramid Science Part 2!)
AdultsConstructionHistoryEngineeringJust because something is difficult doesn't mean it's impossible. Over the past centuries, archaeologists, historians, and engineers have reconstructed a great deal of the technology and science used to build the Egyptian pyramids. This week we look at ancient Egyptian mathematics, building techniques, tools, and culture to reconstruct the Great Pyramid's construction.
Where did English come from? - Claire Bowern
AdultsHistoryLanguageWhen we talk about 'English', we often think of it as a single language. But what do the dialects spoken in dozens of countries around the world have in common with each other, or with the writings of Chaucer? Claire Bowern traces the language from the present day back to its ancient roots, showing how English has evolved through generations of speakers.
How to use rhetoric to get what you want - Camille A. Langston
AdultsHistoryPhilosophyLanguageHow do you get what you want, using just your words? Aristotle set out to answer exactly that question over two thousand years ago with a treatise on rhetoric. Camille A. Langston describes the fundamentals of deliberative rhetoric and shares some tips for appealing to an audience's ethos, logos, and pathos in your next speech.
LITERATURE - Voltaire
AdultsCreativityHistoryPhilosophy...Voltaire was one of the wisest, funniest and cleverest people of the 18th century. He continues to have lots to teach us about toleration, modesty and kindness.
The philosophy of Stoicism - Massimo Pigliucci
AdultsHistoryPhilosophySelfWhat is the best life we can live? How can we cope with whatever the universe throws at us and keep thriving nonetheless? The ancient Greco-Roman philosophy of Stoicism explains that while we may not always have control over the events affecting us, we can have control over how we approach things. Massimo Pigliucci describes the philosophy of Stoicism.
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
AdultsAnimalsHistoryWorld...In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus rex. Nizar Ibrahim uses paleontological and geological data to reconstruct this "River of Giants" in surprising detail.
Why wildfires are necessary - Jim Schulz
AdultsEcologyNatureEnvironment...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.
How the bendy straw was invented | Moments of Vision 12 - Jessica Oreck
AdultsCreativityDesignHistory...Today, Americans use an estimated 500 million drinking straws every day. But where did the idea for this beloved utensil come from? In the twelfth installment of our 'Moments of Vision' series, Jessica Oreck shares the origins of the bendy straw.
How tap dancing was made in America
AdultsCultureHistoryMusic...Tap dancing originated in America. It's a mix of several dance styles-Irish jigging, British clogging, and the percussive steps from African dance. Tap dancing can be traced back to Five Points, now known as Chinatown in New York city. Tap dance also has its roots in minstrel shows, where it was viewed as American comedy. In the 70s, tap dancing legends, Jane Goldberg and Brenda Bufalino took tap from the bright show tune lights of Broadway back to a place of self expression.
The history of tea - Shunan Teng
AdultsCultureFoodHistoryTea is the second most consumed beverage in the world after water -- and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the beverage as there are cultures on the globe. Where did this beverage originate, and how did it become so popular? Shunan Teng details tea's long history. Lesson by Shunan Teng, animation by Steff Lee.
A brief history of goths - Dan Adams
AdultsCultureHistoryMusicWhat do fans of atmospheric post-punk music have in common with ancient barbarians? Not much ... so why are both known as "goths"? Is it a weird coincidence - or is there a deeper connection stretching across the centuries? Dan Adams investigates. Lesson by Dan Adams, animation by Globizco.
History's deadliest colors - J. V. Maranto
AdultsHistoryScienceArtWhen radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn't until much later that we realized that radium's harmful effects outweighed its visual benefits. Unfortunately, radium isn't the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details history's deadliest colors. Lesson by J. V. Maranto, animation by Juan M. Urbina.
How the popsicle was invented | Moments of Vision 11 - Jessica Oreck
AdultsFoodHistoryCreativity...Each year, approximately 2 billion popsicles are sold worldwide. But where did the idea for this tasty treat come from? In the eleventh installment of our 'Moments of Vision' series, Jessica Oreck shares the distracted origins of the popsicle.