TED Talks
Ludwick Marishane: A bath without water
If you had to walk a mile for a jug of water every day, as millions of people do, it's unlikely you'd use that precious water to bathe. Young entrepreneur Ludwick Marishane tells the amazing, funny story of how he invented a cheap, clean...
TED Talks
TED: The dance of the dung beetle | Marcus Byrne
A dung beetle has a brain the size of a grain of rice, and yet it shows a tremendous amount of intelligence when it comes to rolling its food source -- animal excrement -- home. How? It all comes down to a dance.
TED Talks
Bright Simons: To help solve global problems, look to developing countries
To address the problem of counterfeit goods, African entrepreneurs like Bright Simons have come up with innovative and effective ways to confirm products are genuine. Now he asks: Why aren't these solutions everywhere? From...
Crash Course
Drought and Famine: Crash Course World History
In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was...
TED Talks
Laura Boykin: How we're using DNA tech to help farmers fight crop diseases
Nearly 800 million people worldwide depend on cassava for survival -- but this critical food source is under attack by entirely preventable viruses, says computational biologist and TED Senior Fellow Laura Boykin. She takes us to the...
SciShow
The Ancient Footprints that Changed The Timeline of Human History
In the history of our species, we still don’t know exactly how and when early humans migrated across the world, but some ancient footprints might be helping us figure it out.
TED Talks
Bjorn Lomborg: Global priorities bigger than climate change
Given $50 billion to spend, which would you solve first, AIDS or global warming? Danish political scientist Bjorn Lomborg comes up with surprising answers.
TED Talks
Hector Ruiz: The thinking behind 50x15
Hector Ruiz, the executive chair of AMD, wants to give Internet access to everyone. In this talk, he shares his extraordinary life story and describes AMD's 50x15 initiative that calls for connecting 50 percent of the world by 2015.
TED Talks
Ory Okolloh: How I became an activist
Ory Okolloh tells the story of her life and her family -- and how she came to do her heroic work reporting on the doings of Kenya's parliament.
TED Talks
TED: Why Africa must become a center of knowledge again | Olufemi Taiwo
How can Africa, the home to some of the largest bodies of water in the world, be said to have a water crisis? It doesn't, says Olufemi Taiwo -- it has a knowledge crisis. Taiwo suggests that lack of knowledge on important topics like...
TED Talks
TED: Got millet? How marketing could improve the lives of African farmers | Zoë Karl-Waithaka
From "got milk?" to "avocados from Mexico," marketing influences what you eat more than you may realize. But despite the known power of food marketing, farmers in Africa are more likely to receive funding for seed and fertilizer than...
TED Talks
TED: What security means to me | Eve Ensler
Playwright Eve Ensler explores our modern craving for security -- and why it makes us less secure. Listen for inspiring, heartbreaking stories of women making change.
SciShow
Two New Sauropods Generate Excitement and Controversy | SciShow News
One new fossil discovery helps shed some light on early titanosaur evolution, while another leads to some controversial claims about dicraeosaurs.
SciShow Kids
Why Do Zebras Have Stripes? Animal Science for Kids
Jessi and Squeaks look into an animal mystery: Why do zebras have stripes?
TED Talks
Kristen Ashburn: The face of AIDS in Africa
In this moving talk, documentary photographer Kristen Ashburn shares unforgettable images of the human impact of AIDS in Africa.
TED Talks
TED: How we'll fight the next deadly virus | Pardis Sabeti
When ebola broke out in March 2014, Pardis Sabeti and her team got to work sequencing the virus's genome, learning how it mutated and spread. Sabeti immediately released her research online, so virus trackers and scientists from around...
TED Talks
Keith Bellows: The camel's hump
Keith Bellows gleefully outlines the engineering marvels of the camel, a vital creature he calls "the SUV of the desert." Though he couldn't bring a live camel to TED, he gets his camera crew as close as humanly possible to a one-ton...
TED Talks
TED: Why joy is a state of mind | Angélique Kidjo and Femi Oke
With infectious energy, singer-songwriter Angélique Kidjo ties together the threads of her legendary career as a creative force and global activist. In conversation with journalist Femi Oke, she discusses how joy powers her music (and...
TED Talks
Ernest Madu: World-class health care
Dr. Ernest Madu runs the Heart Institute of the Caribbean in Kingston, Jamaica, where he proves that -- with careful design, smart technical choices, and a true desire to serve -- it's possible to offer world-class healthcare in the...
TED Talks
TED: How I'm discovering the secrets of ancient texts | Gregory Heyworth
Gregory Heyworth is a textual scientist; he and his lab work on new ways to read ancient manuscripts and maps using spectral imaging technology. In this fascinating talk, watch as Heyworth shines a light on lost history, deciphering...
TED Talks
TED: A forgotten ancient grain that could help Africa prosper | Pierre Thiam
Forget quinoa. Meet fonio, an ancient "miracle grain" native to Senegal that's versatile, nutritious and gluten-free. In this passionate talk, chef Pierre Thiam shares his obsession with the hardy crop and explains why he believes that...
TED Talks
Vusi Mahlasela: "Thula Mama"
South African singer-songwriter Vusi Mahlasela dedicates his song, "Thula Mama," to all women -- and especially his grandmother.
SciShow
Why Do We Ride Horses But Not Zebras
Zebras and horses are very similar - so why do we only ride one but not the other?
Curated Video
Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History
In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad...