TED-Ed

Check out the science of biohacking, where biologists go into a patient’s genetic code and reprogram their immune system to recognize and fight cancer cells.

Uploaded 09-04-19

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The human body is made up of about 30 trillion cells that carry a code which has been duplicated over and over for billions of years - with varying degrees of accuracy. So what happens when the system breaks down and the machinery turns on itself, leading to cancer? Greg Foot dives into the science of how biologists are biohacking the human body to try to fix the seemingly unfixable.

Lesson by Greg Foot, directed by Pierangelo Pirak.

Produced for TED-Ed by https://www.sciencemedia.studio and NIHR University College London Hospitals Biomedical Research Centre.

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View full lesson: https://ed.ted.com/lessons/how-to-biohack-your-cells-to-fight-cancer-greg-foot

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View full lesson: http://ed.ted.com/lessons/tracking-grizzly-bears-from-space-david-laskin

Grizzly bears have adapted cleverly to their diminishing habitat by developing a mostly vegetarian diet in sync with plant growing seasons. Using NASA satellites, scientists track the shifting, interrelated patterns of grizzlies and plants. David Laskin explains how this data can help protect the threatened bears.

Lesson by David Laskin, animation by TED-Ed.

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What can governments learn from the open-data revolution? In this stirring talk, Beth Noveck, the former deputy CTO at the White House, shares a vision of practical openness -- connecting bureaucracies to citizens, sharing data, creating a truly participatory democracy. Imagine the "writable society."

Talk by Beth Noveck.

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Explore the similarities and differences between how your eyes see and how a video camera “sees.”

Uploaded 06-04-15

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Your eyes don’t always capture the world exactly as a video camera would. But the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution with our brains. Michael Mauser outlines the similarities and differences between your eye and a video camera.

Lesson by Michael Mauser, animation by Nick Hilditch.

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View full lesson: http://ed.ted.com/lessons/eye-vs-camera-michael-mauser
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View full lesson: https://ed.ted.com/lessons/if-molecules-were-people-george-zaidan-and-charles-morton

Uploaded 23-07-13

When molecules collide, chemical reactions can occur -- causing major structural changes akin to getting a new arm on your face! George Zaidan and Charles Morton playfully imagine chemical systems as busy city streets, and the colliding molecules within them as your average, limb-swapping joes.

Lesson by George Zaidan and Charles Morton, animation by Neighbor.



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View full lesson: http://ed.ted.com/lessons/the-science-of-symmetry-colm-kelleher

Uploaded 13-05-14

When you hear the word symmetry, you might think generally of triangles, butterflies, or even ballerinas. But defined scientifically, symmetry is "a transformation that leaves an object unchanged." Huh? Colm Kelleher unpacks this abstract term and explains how animal's distinct symmetries can tell us more about them -- and ourselves.

Lesson by Colm Kelleher, animation by Andrew Foerster.



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Get to know how a healthy marine ecosystem functions, and what creates the lethal conditions that lead to dead zones.

Uploaded 18-08-20

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For most of the year, the Gulf of Mexico is teeming with marine life, from tiny crustaceans to massive whales. But every summer, disaster strikes. Around May, animals begin to flee the area. And soon, creatures that can’t swim or can’t swim fast enough begin to suffocate and die off in massive numbers. What's going on? Kate Slabosky dives into the lethal conditions that create dead zones.

Lesson by Kate Slabosky, directed by Mette Ilene Holmriis.

Animator's website: http://metteilene.com/
Producer's website: https://animationworkshop.via.dk/
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View full lesson: https://ed.ted.com/lessons/can-the-ocean-run-out-of-oxygen-kate-slabosky

Thank you so much to our patrons for your support! Without you this video would not be possible! Hugo Legorreta, Zhexi Shan, Gustavo Mendoza, Bárbara Nazaré, Josh Engel, Natalia Rico, Andrea Feliz, Eysteinn Guðnason, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Oyuntsengel Tseyen-Oidov, Noel Situ, Elliot Poulin, emily lam, Juan, Jordan Tang, Kent Logan, Alexandra Panzer, Laura Cameron Keith, Jen, Ellen Spertus, Cailin Ramsey, Markus Goldhacker, Leora Allen, Andras Radnothy, Chris, Arpita Singh, Vijayalakshmi , Marc Bilodeau, Peng, Tzu-Hsiang, paul g mohney, Maya Toll, Sebastian Regez, Bruno Hannud, Andreas Voltios, Shubham Arora, Ugur Doga Sezgin, Akinola Emmanuel, Kyanta Yap, Ricardo Rendon Cepeda, Ana Maria, Benjamin and Shannon Pinder, Ernest Chow, Bela Namyslik, Alan Froese, Anika Westburg, Nick Cozby and Shawar Khan.



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View full lesson: http://ed.ted.com/lessons/cheese-dogs-and-a-pill-to-kill-mosquitoes-and-end-malaria-bart-knols

We can use a mosquito's own instincts against her. At TEDxMaastricht speaker Bart Knols demos the imaginative solutions his team is developing to fight malaria -- including limburger cheese and a deadly pill. (Filmed at TEDxMaastricht.)

Talk by Bart Knols.

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View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-molecule-josh-kurz

Uploaded 16-08-13

What do macaroni salad and gasoline have in common? They are made of exactly the same stuff -- specifically, the same atoms, just rearranged. So, while we put the former in our mouths and the latter in our cars, they are really just variations on the same atomic theme. Josh Kurz breaks macaroni salad down to its smallest chemical components.

Lesson and animation by Josh Kurz.



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Dig into the 4 biggest existential risks that threaten the survival of humanity, and explore how we can safeguard our future.

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With the invention of the atomic bomb, humanity gained the power to destroy itself for the first time in our history. Since then, our risk of either extinction or the collapse of civilization has steadily increased. Just how likely are we to destroy ourselves? And what poses the greatest threat to our survival? Dig into four existential threats and explore how we can safeguard our future.

Directed by Reza Riahi.

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View full lesson: https://ed.ted.com/lessons/the-4-greatest-threats-to-the-survival-of-humanity
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Animator's website: https://www.rezariahi.com
Music: https://soundcloud.com/aim-music
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