TED Talks
Peter Ward: A theory of Earth's mass extinctions
Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...
SciShow
DNA and Dung Beetles
Chapters View all CARL LINNAEUS 1:24 20% OF KNOWN SPECIES 1:38 NOT 100 MILLION 1:51 DEEP SEA LOBSTERS 2:25 VENEZUELAN SNAIL 2:28 FISH COUNT 2:39
TED Talks
Neil Turok: My wish: Find the next Einstein in Africa
Accepting his 2008 TED Prize, physicist Neil Turok speaks out for talented young Africans starved of opportunity: by unlocking and nurturing the continent's creative potential, we can create a change in Africa's future.
SciShow
The Past, Present, and Future of Human Evolution | Compilation
Humanity has changed a lot since the days of our ancestral species, and we have continued evolution to look forward to as well.
TED Talks
TED: Sanitation is a basic human right - Francis de los Reyes
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Warning: This talk might contain much more than you'd ever want to know about the way the world poops. But as...
TED Talks
TED: India's hidden hotbeds of invention | Anil Gupta
Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections...
TED Talks
Hans Rosling: The best stats you've ever seen
You've never seen data presented like this. With the drama and urgency of a sportscaster, statistics guru Hans Rosling debunks myths about the so-called "developing world."
TED Talks
TED: How I swam the North Pole | Lewis Pugh
Lewis Pugh talks about his record-breaking swim across the North Pole. He braved the icy waters (in a Speedo) to highlight the melting icecap. Watch for astonishing footage -- and some blunt commentary on the realities of supercold-water...
SciShow
Great Whites May Have Taken Out Megalodon 3.6 Million Years Ago | SciShow News
Megalodon is the largest shark that’s ever existed, and according to Hollywood it’s alive and well. But according to scientists, it’s definitely extinct, and it was probably thanks to its smaller cousins, great white sharks.
TED Talks
TED: How young Africans found a voice on Twitter | Siyanda Mohutsiwa
What can a young woman with an idea, an Internet connection and a bit of creativity achieve? That's all Siyanda Mohutsiwa needed to unite young African voices in a new way. Hear how Mohutsiwa and other young people across the continent...
TED Talks
Benjamin Zander: The transformative power of classical music
Benjamin Zander has two infectious passions: classical music, and helping us all realize our untapped love for it -- and by extension, our untapped love for all new possibilities, new experiences, new connections.
TED Talks
TED: What I learned from Nelson Mandela | Boyd Varty
In the cathedral of the wild, we get to see the best parts of ourselves reflected back to us. Boyd Varty, a wildlife activist, shares stories of animals, humans and their interrelatedness, or "ubuntu" -- defined as, "I am, because of...
SciShow
We Know More About Those COVID-19 Variants. It's Not Great | SciShow News
Scientists have learned more about the UK and South American variant of the COVID-19 virus, and how they might be affected by vaccines. The news isn't good, but behind the scary headlines is important research that can help us be better...
SciShow
What to Know About the New COVID Variants | SciShow News
Two new versions of the coronavirus that causes COVID-19, the UK and South African variants, were announced in December. They've spread quickly in their countries of origin, and have begun popping up around the world. Join us to find out...
TED Talks
TED: A precise, three-word address for every place on earth | Chris Sheldrick
With what3words, Chris Sheldrick and his team have divided the entire planet into three-meter squares and assigned each a unique, three-word identifier, like famous.splice.writers or blocks.evenly.breed, giving a precise address to the...
SciShow
How to Catch a Bird… If You’re a Fish
Some toothy tigerfish have been documented catching unlikely prey in the most unlikely of ways: snatching birds right out of the sky.
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-Ed
TED-ED: Penguins: Popularity, peril and poop - Dyan deNapoli
Penguins are odd birds. For one, they cannot fly (but they are amazing swimmers), and, contrary to popular belief, the majority of penguin populations live in warmer regions. But these beloved birds are in danger, with populations...
SciShow
8 Crafty Plants That Have Mastered Deceit
While plants don't really have the thumbs required for high-end cosplay, here are a few that have made a career of looking like something they're not. Chapters View all SOUTH AFRICAN RESTIAD 0:37 COMMON LUNGWORT 1:39 PEBBLE PLANTS 2:36...
TED Talks
Alicia Eggert: Imaginative sculptures that explore how we perceive reality
TED Fellow Alicia Eggert takes us on a visual tour of her work -- from a giant sculpture on an uninhabited island in Maine to an installation that inflates only when people hold hands to complete an electric current. Her work explores...
TED Talks
Vusi Mahlasela: "Thula Mama"
South African singer-songwriter Vusi Mahlasela dedicates his song, "Thula Mama," to all women -- and especially his grandmother.
TED Talks
TED: The laws that sex workers really want | Juno Mac
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Everyone has an opinion about how to legislate sex work (whether to legalize it, ban it or even tax it) ... but...
TED Talks
TED: 4 myths and misunderstandings about doing business in Africa | Nomava Zanazo
Business in Africa is booming -- but international companies are missing out, says emerging markets expert Nomava Zanazo. Rushing in without knowing their customers, businesses underestimate Africans and make costly assumptions about...