Topic: teded

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Why is ketchup so hard to pour?

That moment that ketchup transitions from a solid, high up in the ketchup bottle, to a liquid that squirts all over your fries – that moment is a big physics moment. Why? Ketchup is a non-Ne...

Sugar: Hiding in plain sight

We know that sugar is a big part of candy, ice cream, and sweet drinks, but did you know that added sugars are included in 3/4 of the 600,000+ products found in the average grocery store? And...

Making Sense of Spelling – TED Ed

Words can come alive and make more sense when you learn about their structure, relationships, and history. From the TED-Ed archives, Making Sense of Spelling. Watch more TED-Ed, and more abou...

The Pangaea Pop-up – TED Ed

This papercraft pop-up book illustrates how South America and Africa used to be connected, how the supercontinent Pangaea broke apart 200 million years ago, how the Earth's seven primary tecto...

TED Ed: The Mystery of Motion Sickness

One out of three people get motion sick, yet it’s not something we can really cure, only relieve. So what exactly is going on inside of our bodies when this happens? If you liked Head Sq...

How many smells can you identify? – TED Ed

How many smells can you identify? Which ones are your favorites and which ones do you really not like? Stop and make a list, because it’ll be an amazingly long and diverse list. As it ...

The chemistry of cookies – TED Ed

The baker as mad scientist? Your nose as a sensitive scientific instrument? The physical and chemical transformation of warm and gooey baked goods? Your next batch of cookies will be even more...

Robot – Mysteries of vernacular

Where did the word robot come from? Let’s travel back to 1920, when Czech writer Karel Čapek wrote a sci-fi play about hard-working, human-like machines. Wait, first let’s go back farther: more than 1000 y...

Bird migration, a perilous journey – TED Ed

From TED Ed, a lesson by educator Alyssa Klavans: Bird migration, a perilous journey, as well as the ways that we can help make it less perilous. Watch related videos: more kinds of migration.

The Moon Illusion – TED Ed

Why does the full moon look larger when it’s near the horizon than when it’s high up in the sky? For generations, astronomers, psychologists, brain researchers, and many others ha...

TED Ed: The ABCs of Gas

Using chalk drawings and familiar, hands-on examples, Brian Bennett and TED Ed explain gas properties in The ABCs of Gas – Avogadro’s Law, Boyle’s Law, and Charles’s Law, via explore-blog. T...

How to Read Music – TED Ed

Like an actor's script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated, but once you've gotten the hang of a few simple elements li...

The brilliance of bioluminescence – TED Ed

Nature often devises surprising solutions for hunting food, warning predators away, and attracting mates, but one of the most magical-looking of these solutions might be bioluminescence, or biochemical light created b...

Reasons for the Seasons – TED Ed

Excellent for all ages: TED Ed’s Reasons for the Seasons. Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the tw...

TED Ed: Inside Your Computer

When you click your computer’s mouse or type on the keyboard, what exactly is going on inside the computer itself? What controls the information flow in and out, and what exactly is j...

TED Ed: How big is the ocean?

From educator Scott Gass, artist Sandro Katamashvili, and TED Ed, How Big Is the Ocean? Watch this primer for understanding an incredibly large, important, and singular part of our planet Ea...

Pizza physics (New York-style) – TED Ed

When eating pizza, New Yorkers will recommend that you fold the slice in half longways to reduce mess. Now find out about the math and physics working behind the scenes of that tradition in T...

How did feathers evolve? – TED Ed

In this beautifully illustrated lesson from TED Ed, science writer and educator Carl Zimmer explains some answers to the question, How did feathers evolve? From his article in National Geographic: Most of us will n...