Auxiliary Verbs (Part 2)
AdultsGrammarSmrt LiveEducationLanguage... Mark explains in detail when we need to use "do" as an auxiliary verb. This video is for students at an upper-intermediate level.
Save the Troy Library "Adventures In Reverse Psychology"
AdultsPsychologyEducationPoliticsSociety... "The city of Troy, Michigan was facing a budget shortfall, and was considering closing the Troy Public Library for lack of funds.
Auxiliary Verbs (Part 1)
AdultsGrammarSmrt LiveEducationLanguage... Mark explains in detail when English requires "be" as an auxiliary verb. This video is for students at an upper-intermediate level.
What Dinosaurs ACTUALLY Looked Like?
AdultsHistoryLifeNatureScienceEducation... The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment. It is the home of everything that came before, the key to understanding our present.
How to Photograph the Night Sky | National Geographic
AdultsCreativityEducationHumanPhotographyScience... NASCAR driver and photography enthusiast, Bubba Wallace, and National Geographic Photographer Babak Tafreshi demonstrate how to take nighttime photos of the sky. Paid Content for Columbia.
Earth's mysterious red glow, explained - Zoe Pierrat
AdultsEducationScienceSpaceNatureBiology... Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.
This Virus Shouldn't Exist (But it Does)
AdultsBiologyEducationScience Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.
Can you outsmart the slippery slope fallacy? - Elizabeth Cox
AdultsEducationHumanSciencePsychology... Dig into the slippery slope fallacy, which assumes that one step will lead to a series of events that lead to an extreme— often bad— scenario.
The secret society of the Great Dismal Swamp - Dan Sayers
AdultsEducationHistoryHumanCulture... Uncover the history of the hidden communities that inhabited the Great Dismal Swamp in North America.
The Largest Black Hole in the Universe - Size Comparison
AdultsEducationScienceSpace The Black Hole story continues with our Black Hole merch, spanning the whole range from somewhat bonkers to more serious.
The Simplest Math Problem No One Can Solve
AdultsEducationHistoryMathScience... The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.
The Longest-Running Evolution Experiment
AdultsData ScienceEducationScience Special thanks to Prof. Richard Lenski and team for showing me around the lab — it is an honor to be able to witness and document such a historic science experiment.
What few people know about the program that "saved" America - Meg Jacobs
AdultsEducationHumanWorld Explore the successes and failures of FDR’s New Deal, a set of legislation during the Great Depression which aimed to save the US economy.
What It Takes To Become An Expert
AdultsEducationHumanLife This video covers what it takes to become an expert. Deliberate practice is where you get practice with a specific goal in mind.
The sharks that hunt in forests
AdultsEducationLifeNature Discover the unique adaptations of marine forests, the ecosystems that provide food and shelter for sharks and diverse coastal species.
A day in the life of an Ancient Greek oracle - Mark Robinson
AdultsEducationHistoryHuman Follow Aristonike, an Oracle-in-training in Delphi, as she studies to become the Pythia and communicate Apollo’s will and prophecies.
Why It's Good To Have A Weak Hand
AdultsBiologyEducationHuman We might have a strong hand because having a weak hand is actually useful.
Can you solve the Trojan War riddle? - Dennis E. Shasha
AdultsCreativityEducationHistory On Olympus, you’ve been waiting for an opportunity to bring the bloody Trojan War to its conclusion.