TED Talks
TED: Women, wartime and the dream of peace | Zainab Salbi
In war we often see only the frontline stories of soldiers and combat. AT TEDGlobal 2010, Zainab Salbi tells powerful "backline" stories of women who keep everyday life going during conflicts, and calls for women to have a place at the...
TED Talks
Rob Harmon: How to keep rivers and streams flowing
With streams and rivers drying up because of over-usage, Rob Harmon talks about a clever market mechanism to bring back the water. Farmers and beer companies find their fates intertwined in the century-old tale of Prickly Pear Creek.
TED Talks
Tyler DeWitt: Hey science teachers -- make it fun
High school science teacher Tyler DeWitt was ecstatic about his new lesson plan on bacteria (how cool!) -- and devastated when his students hated it. The problem was the textbook: it was impossible to understand. He delivers a rousing...
TED Talks
The music of a war child - Emmanuel Jal
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. For five years, young Emmanuel Jal fought as a child soldier in the Sudan. Rescued by an aid worker, he's become an...
TED Talks
TED: Hidden cameras that film injustice in the world’s most dangerous places | Oren Yakobovich
To see is to believe, says Oren Yakobovich — which is why he helps everyday people use hidden cameras to film dangerous situations of violence, political fraud and abuse. His organization, Videre, uncovers, verifies and publicizes...
TED Talks
TED: A global culture to fight extremism | Maajid Nawaz
Why do transnational extremist organizations succeed where democratic movements have a harder time taking hold? Maajid Nawaz, a former Islamist extremist, asks for new grassroots stories and global social activism to spread democracy in...
TED Talks
Malcolm Gladwell: The unheard story of David and Goliath
It's a classic underdog tale: David, a young shepherd armed only with a sling, beats Goliath, the mighty warrior. The story has transcended its biblical origins to become a common shorthand for unlikely victory. But, asks Malcolm...
TED Talks
Bunker Roy: Learning from a barefoot movement
In Rajasthan, India, an extraordinary school teaches rural women and men -- many of them illiterate -- to become solar engineers, artisans, dentists and doctors in their own villages. It's called the Barefoot College, and its founder,...
TED-Ed
TED-Ed: Why is there a "b" in doubt? - Gina Cooke
Say the word "doubt" aloud. What is that "b" doing there? Does it have any purpose? Gina Cooke explains the long and winding history of "doubt" and why the spelling, though it seems random, is a wink to its storied past.
TED Talks
Derren Brown: Mentalism, mind reading and the art of getting inside your head
"Magic is a great analogy for how we edit reality and form a story -- and then mistake that story for the truth," says psychological illusionist Derren Brown. In a clever talk wrapped around a dazzling mind-reading performance, Brown...
Be Smart
Does Someone Else Have Your Face?
They say everyone has a doppelganger, but is that really true? This week we meet a young woman who found her own look-alike, and figure out how we actually recognize faces.
TED Talks
TED: How I'm bringing queer pride to my rural village | Katlego Kolanyane-Kesupile
In a poetic, personal talk, TED Fellow Katlego Kolanyane-Kesupile examines the connection between her modern queer lifestyle and her childhood upbringing in a rural village in Botswana. "In a time where being brown, queer, African and...
TED Talks
TED: To the South Pole and back — the hardest 105 days of my life | Ben Saunders
This year, explorer Ben Saunders attempted his most ambitious trek yet. He set out to complete Captain Robert Falcon Scott's failed 1912 polar expedition — a four-month, 1,800-mile round trip journey from the edge of Antarctica to the...
TED Talks
TED: Sci-fi stories that imagine a future Africa | Nnedi Okorafor
My science fiction has different ancestors -- African ones, says writer Nnedi Okorafor. In between excerpts from her "Binti" series and her novel "Lagoon," Okorafor discusses the inspiration and roots of her work -- and how she opens...
Bozeman Science
Multistep Reactions
In this video Paul Andersen explains how an overall chemical reaction is made up of several elementary steps. The stoichiometry of this equation can be predicted but the rate law must be measured. If the elementary steps of the reaction...
Crash Course
Lost in Translation: Crash Course Film Criticism
It's time to take a look at a quieter, sweeter, and maybe happier film in this series. Sophia Coppola's "Lost in Translation" is a wonderful romantic comedy that doesn't play by the usual rules of its genre. In this episode, Michael...
TED Talks
TED: How we'll earn money in a future without jobs | Martin Ford
Machines that can think, learn and adapt are coming -- and that could mean that we humans will end up with significant unemployment. What should we do about it? In a straightforward talk about a controversial idea, futurist Martin Ford...
TED Talks
Fight injustice with raw video - Peter Gabriel
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Musician and activist Peter Gabriel shares his very personal motivation for standing up for human rights with the...
TED Talks
Peter Molyneux: Meet Milo, the virtual boy
Peter Molyneux demos Milo, a hotly anticipated video game for Microsoft's Kinect controller. Perceptive and impressionable like a real 11-year-old, the virtual boy watches, listens and learns -- recognizing and responding to you.
TED Talks
Janet Echelman: Taking imagination seriously
Janet Echelman found her true voice as an artist when her paints went missing -- which forced her to look to an unorthodox new art material. Now she makes billowing, flowing, building-sized sculpture with a surprisingly geeky edge. A...
TED Talks
David Gallo: Life in the deep oceans
With vibrant video clips captured by submarines, David Gallo takes us to some of Earth's darkest, most violent, toxic and beautiful habitats, the valleys and volcanic ridges of the oceans' depths, where life is bizarre, resilient and...
PBS
Supersymmetric Particle Found?
With the large hadron collider running out of places to look for clues to a deeper theory of physics, we need a bigger particle accelerator. We have one - the galaxy.
Amoeba Sisters
Plant Reproduction in Angiosperms
Join us as we explore flower parts, pollination, and double fertilization in angiosperms. We'll also talk about the importance of pollinators, like bees, and the role they play. 00:00 Intro 1:34 What are Angiosperms? 1:48 Fruit 2:29...
TED Talks
TED: How I turned a deadly plant into a thriving business | Achenyo Idachaba
The water hyacinth may look like a harmless, even beautiful flowering plant -- but it's actually an invasive aquatic weed that clogs waterways, stopping trade, interrupting schooling and disrupting everyday life. In this scourge, green...