A personal air-quality tracker that lets you know what you're breathing | Romain Lacombe
How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces F...
Radio and PodcastLive Radio & Podcasts
Science & Medicine
TEDTalks Science et médecine
Quelques-uns des meilleurs scientifiques, médecins and chercheurs en médecine partagent leurs découvertes et leurs visions sur scène aux conférences TED, TEDx et autres événements affiliés d...
Episodes
20 of 37 episodes
Can we regenerate heart muscle with stem cells? | Chuck Murry
The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide....
To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi
Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophy...
Why bees hold the key to our future | Noah Wilson-Rich
Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else: Where are bees healthy and thriving? T...
The secret to scientific discoveries? Making mistakes | Phil Plait
Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet eve...
Where did the Moon come from? A new theory | Sarah T. Stewart
The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies...
How a new species of ancestors is changing our theory of human evolution | Juliet Brophy
In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains...
The age of genetic wonder | Juan Enriquez
Gene-editing tools like CRISPR enable us to program life at its most fundamental level. But this raises some pressing questions: If we can g...
Can we solve global warming? Lessons from how we protected the ozone layer | Sean Davis
The Montreal Protocol proved that the world could come together and take action on climate change. Thirty years after the world's most succe...
What sticky sea creatures can teach us about making glue | Jonathan Wilker
What if we could harness the sticking powers of sea creatures like mussels, oysters and barnacles, which refuse to budge even on wet, stormy...
The most important thing you can do to fight climate change: talk about it | Katharine Hayhoe
How do you talk to someone who doesn't believe in climate change? Not by rehashing the same data and facts we've been discussing for years,...
3 kinds of bias that shape your worldview | J. Marshall Shepherd
What shapes our perceptions (and misperceptions) about science? In an eye-opening talk, meteorologist J. Marshall Shepherd explains how conf...
The radical possibilities of man-made DNA | Floyd E. Romesberg
Every cell that's ever lived has been the result of the four-letter genetic alphabet: A, T, C and G -- the basic units of DNA. But now that'...
The pharmacy of the future? Personalized pills, 3D printed at home | Daniel Kraft
We need to change how we prescribe drugs, says physician Daniel Kraft: too often, medications are dosed incorrectly, cause toxic side effect...
5 transformational policies for a prosperous and sustainable world | Johan Rockström
In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockström debuts the Earth3 model...
The key to a better malaria vaccine | Faith Osier
The malaria vaccine was invented more than a century ago -- yet each year, hundreds of thousands of people still die from the disease. How c...
How I became part sea urchin | Catherine Mohr
As a young scientist, Catherine Mohr was on her dream scuba trip -- when she put her hand right down on a spiny sea urchin. While a school o...
How China is (and isn't) fighting pollution and climate change | Angel Hsu
China is the world's biggest polluter -- and now one of its largest producers of clean energy. Which way will China go in the future, and ho...
A rare galaxy that's challenging our understanding of the universe | Burçin Mutlu-Pakdil
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burçin Mutlu-Pakdil lets us know in this q...
Where are all the aliens? | Stephen Webb
The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen W...