Topic: teded

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Can you solve the airplane riddle?

Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's not enough fuel to complete the journey. Luckily, the...

How do we know what color dinosaurs were?

The meat-eating microraptor was a black-feathered, four-winged dinosaur. How do we know its feathers were black? The evidence is in the microraptors' fossils. This TED Ed explains. Plus, more from Wikipedia: In Mar...

Odd – Mysteries of Vernacular

Odd. Odd. Say it a few times, and the word 'odd' sounds odd. Peculiar. Different from what is usual or expected. Of course, we also know that odd numbers can't be divided evenly into two groups. But where did this odd...

The science of static electricity – TED Ed

What is static electricity? Why do we get a tiny spark when we've walked across a carpet and touched a doorknob? Or have you ever pet a cat and then picked up something metal, like a spoon to stir up cat food? Zap! (A...

Ukulele – Mysteries of Vernacular

How did a small four-string guitar that was not invented in Hawaii end up with a Hawaiian name that means Jumping Flea? Let's go back to the 19th century when Portuguese travelers brought a braguinha to Hawaii. Jessic...

The benefits of a good night’s sleep – TED Ed

Sleep to remember! Remember to sleep! This TED-Ed focuses on those of us who are studying for tests or staying up late for deadlines, but The Benefits of a Good Night's Sleep can also help younger kiddos understand wh...

What are those floaty things in your eye? – TED Ed

Have you ever seen something small and strangely transparent float into your field of vision? ...as if it's on your eyeball? No, you're not seeing things! And no, those are not microscopic bugs or bits of dust in ...

Dead stuff – The secret ingredient in our food chain

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nouri...

How do wounds heal & how do scars form?

What happens when we get cut and bleed? How does skin scab over and heal? And why does skin scar? These two new vocabulary-filled TED-Eds from Sarthak Sinha get deep under our skin to give us a better understanding of...

How do we study the stars & measure extreme distances in space?

How can we know so much about other galaxies? What are they made of? How big are they? How far away are they from Earth? "Want to know the secrets of the universe? Just follow the light." These two TED Eds fro...

Pants – Mysteries of Vernacular

Where does the word 'pants' come from? The journey of this word throughout history begins with the 4th Century Roman Saint Pantaleon and is now used to refer to any clothing with two separate tubes that are meant to c...

Feedback loops – How nature gets its rhythms

A grasshopper eats grass, a rat can eat the grasshopper, a snake may eat the rat, and a hawk will eat the snake. When these food chains interweave, they create a food web. Plants and animals (including humans) live, e...

How playing an instrument benefits your brain – TED Ed

Your brain is a muscle. When you give it more challenging exercises, you're strengthening your brain's abilities to learn and grow. Now add some music to the mix: When you listen to music, multiple areas of your b...

Why aren’t we only using solar power?

Solar power is cleaner, more sustainable, and in many cases, less expensive than coal-fueled power plants, so why aren't we only using solar power? Beyond the business and infrastructural challenges, TED Ed outlines s...

Vermicomposting: How worms can reduce our waste

One third of food made in the world each year ends up in the trash can. How can we stop the waste by putting that food to good use? From TED Ed, learn how worms can naturally convert our organic waste — green leaves, ...

TED Ed: How does the heart pump blood?

"For most of history, humans had no idea what purpose the heart served... although everyone could feel their own heart beating, it wasn't always clear what each thump was achieving... Even in the 21st century, only a ...

Cell vs. virus: A battle for health

From TED Ed and Shannon Stiles, Cell vs. virus: A battle for health:  All living things are made of cells. In the human body, these highly efficient units are protected by layer upon layer of defense against i...

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...

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