The Top TED-ED Talks by Youtube Views.The TED-Ed project makes short video lessons worth sharing, aimed at educators
- How simple ideas lead to scientific discoveries – Adam Savage
Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed — Eratosthenes’ calculation of the Earth’s circumference around 200 BC and Hippolyte Fizeau’s measurement of the speed of light in 1849.
- Questions no one knows the answers to – Chris Anderson
TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.
- Sex determination: More complicated than you thought – Aaron Reedy
From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender.
- Just How Small Is an Atom? – Jonathan Bergmann
Just how small are atoms? And what’s inside them? The answers turn out to be astounding, even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium!) to give a visceral sense of the building blocks that make our world.
- What’s invisible? More than you think – John Lloyd
Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd’s classic TEDTalk from 2009, which will make you question what you actually know.
- How big is infinity? – Dennis Wildfogel
Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” — and how it led mathematicians to conclude that math itself contains unanswerable questions.
- Why can’t we see evidence of alien life? – Chris Anderson
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven’t we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful.
- How life begins in the deep ocean – Tierney Thys
Where do squid, jellyfish and other sea creatures begin life? The story of a sea urchin reveals a stunningly beautiful saga of fertilization, development and growth in the ocean depths.
- Insults by Shakespeare – April Gudenrath
“You’re a fishmonger!” By taking a closer look at Shakespeare’s words–specifically his insults–we see why he is known as a master playwright whose works transcend time and appeal to audiences all over the world.
- How folding paper can get you to the moon – Adrian Paenza
Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will leave you wanting to grab a piece of paper to see how many times you can fold it! Lesson by Adrian Paenza, animation by TED-Ed.