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Past Simple and Present Perfect

AdultsGrammarSmrt LiveEducation
Geoff teaches us the use of Past Simple and Present Perfect.

What Is Media Literacy?

YouthHistoryMediaEducation
An animated basic introduction to the concept of "media literacy".

The Scientific Method

KidsScienceEducation
The Scientific Method is a way to ask and answer questions about the world in a logical way.

Noun Song

YouthGrammarMusicEducation
A song about all the types of nouns.

What Dinosaurs ACTUALLY Looked Like?

AdultsHistoryLifeNature...
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

AdultsCreativityEducationHuman...
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

AdultsEducationScienceSpace...
Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.

The Place Where Time Flows Backwards

AdultsEducationScienceSpace...
People all around the world tend to represent time via space, but there’s no consensus on which way time goes.

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

AdultsEducationHumanScience...
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

AdultsEducationHistoryHuman...
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

AdultsEducationHistoryMath...
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.

Could you survive the real Twilight Zone?

AdultsEducationHumanScience
Find out how a hatchetfish survives its daily journey from the depths of the ocean’s Twilight Zone to the resource-rich surface.