SciShow
How Long Will the Voyager Spacecraft Last?
For more than 40 years, the Voyager probes have traveled through space sending back all kinds of fascinating data. But these probes were never meant to send us data forever - so how much longer will these amazing probes last?
TED Talks
TED: A librarian's case against overdue book fines | Dawn Wacek
Libraries have the power to create a better world; they connect communities, promote literacy and spark lifelong learners. But there's one thing that keeps people away: the fear of overdue book fines. In this thought-provoking talk,...
TED Talks
Erica Frenkel: The universal anesthesia machine
What if you're in surgery and the power goes out? No lights, no oxygen -- and your anesthesia stops flowing. It happens constantly in hospitals throughout the world, turning routine procedures into tragedies. Erica Frenkel demos one...
TED Talks
Randall Munroe: Comics that ask "what if?"
Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and deadpan humor. In this charming talk, a reader's question about Google's data...
MinuteEarth
The Great Acceleration
We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.
TED Talks
TED: The ocean's ingenious climate solutions | Susan Ruffo
The ocean is often thought of as a victim of climate change, in need of human protection. But ocean expert Susan Ruffo says that mindset needs to shift. From storing carbon to providing protection to coastal communities, Ruffo highlights...
TED Talks
César Hidalgo: A bold idea to replace politicians
César Hidalgo has a radical suggestion for fixing our broken political system: automate it! In this provocative talk, he outlines a bold idea to bypass politicians by empowering citizens to create personalized AI representatives that...
TED Talks
TED: How to topple a dictator | Srdja Popovic
People-powered resistance: can it work? Srdja Popovic led the nonviolent movement that took down Milosevic in Serbia in 2000; he lays out the plans, skills and tools that a people-powered movement needs -- from nonviolent tactics to a...
SciShow
5D, Holograms, & DNA: Amazing Hard Drives of the Future
Today's data storage solutions have an expiration date. What's on the horizon to replace them?
Crash Course
The Anthropocene and the Near Future: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle,...
SciShow
Catching Solar Wind: A Truly Endless Energy Source?
We could quite possibly catch solar winds as a means for endless energy, and though it sounds like science fiction, we have the materials to do this now.
TED Talks
Abigail Washburn: Building US-China relations ... by banjo
Abigail Washburn wanted to be a lawyer improving US-China relations -- until she picked up a banjo. The TED Fellow tells a moving story of the connections she's formed touring across the US and China while playing that banjo and singing...
SciShow
Space Robots That Hop
Have you ever wanted to know what it would be like to have an army of hopping robots? NASA might bring that dream to life as we explore our solar system.
TED Talks
Michele Wucker: Why we ignore obvious problems -- and how to act on them
Why do we often neglect big problems, like the financial crisis and climate change, until it's too late? Policy strategist Michele Wucker urges us to replace the myth of the "black swan" -- that rare, unforeseeable, unavoidable...
TED Talks
TED: Photos that give voice to the animal kingdom | Frans Lanting
Nature photographer Frans Lanting uses vibrant images to take us deep into the animal world. In this short, visual talk he calls for us to reconnect with other earthly creatures, and to shed the metaphorical skins that separate us from...
TED Talks
TED: What my gender transition taught me about womanhood | Paula Stone Williams
After leading a well-established life as a pastor, father and husband, Paula Stone Williams could no longer deny her truth and transitioned. In this conversational and at times humorous reflection, Williams offers her perspective on the...
TED-Ed
TED-Ed: The hidden meanings of yin and yang - John Bellaimey
The ubiquitous yin-yang symbol holds its roots in Taoism/Daoism, a Chinese religion and philosophy. The yin, the dark swirl, is associated with shadows, femininity, and the trough of a wave; the yang, the light swirl, represents...
SciShow
5 Groundbreaking Women in Engineering
After many years of quietly changing the world, women are finally receiving recognition for contributions in STEM. Let’s celebrate these 5 groundbreaking women, and their contributions to the field of engineering
TED-Ed
TED-ED: History vs. Che Guevara - Alex Gendler
His face is recognized all over the world _ the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this...
TED Talks
David Cameron: The next age of government
The leader of Britain's Conservative Party says we're entering a new era -- where governments themselves have less power (and less money) and people empowered by technology have more. Tapping into new ideas on behavioral economics, he...
TED Talks
Eldra Jackson: How I unlearned dangerous lessons about masculinity
In a powerful talk, educator Eldra Jackson III shares how he unlearned dangerous lessons about masculinity through Inside Circle, an organization that leads group therapy for incarcerated men. Now he's helping others heal by creating a...
Crash Course
Personality Disorders: Crash Course Psychology
What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down low on things like Ego-Dystonic and Ego-Syntonic Disorders, Borderline and...
Crash Course
Why It's So Hard To Make Better Batteries: Crash Course Engineering #32
There are batteries powering so many parts of our everyday lives, so today we’re going to talk about how they work and how we can make them better. We’ll explain how they provide power by discharging ions between a cathode and an anode,...
SciShow
The Science of Hyperloop
Michael Aranda explains the nuts and bolts of Hyperloop, the new magnet-driven, solar-powered transit system proposed by Spacex genius Elon Musk. Learn how Musk answered three vexing questions to create the transportation of the future...