TED Talks
TED: How the military fights climate change | David Titley
Military leaders have known for millennia that the time to prepare for a challenge is before it hits you, says scientist and retired US Navy officer David Titley. He takes us from the humanitarian catastrophe in Syria to the icy shores...
TED Talks
Yana Buhrer Tavanier: How to recover from activism burnout
When you're feeling burned out as an activist, what's the best way to bounce back? TED Senior Fellow Yana Buhrer Tavanier explores the power of "playtivism" -- the incorporation of play and creativity into movements for social change....
TED Talks
Bill Gross: The single biggest reason why startups succeed
Bill Gross has founded a lot of startups, and incubated many others -- and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on...
Crash Course
Derivatives: Crash Course Physics
CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its own way to describe the things that it investigates. And, with Physics, that's math. In this episode, Shini talks us...
TED-Ed
TED-Ed: Does trickle-down economics actually work? | Jonathan Smith
In 1981, the US economy was struggling: unemployment rates were climbing and inflation had peaked at an all-time high. To combat these issues, President Reagan introduced a number of economic policies, including tax cuts for large...
SciShow
Why Do Neutrinos Have Mass? A Small Question with Huge Consequences
Neutrinos are weird. But all the big unsolved problems in physics are somehow connected to one unsolved mystery: Why do neutrinos have mass?
TED Talks
TED: You deserve the right to repair your stuff | Gay Gordon-Byrne
A self-declared "repair geek," Gay Gordon-Byrne is a driving force behind the right-to-repair movement, which aims to empower people to fix their stuff. She describes how the movement is gaining legislative momentum and breaks down how...
SciShow
The Quantum Theory that Connects the Entire Universe
Quantum mechanics is weird and seems a bit...complicated. But understanding it can help us to understand the universe.
SciShow
The Key to Finding Life Elsewhere in the Universe: Purple Planets?!?
Some scientists believe that 3.6 billion years ago Earth might have been purple, and that theory is giving us some clues in our search for life in the universe.
TED Talks
Michael McDaniel: Cheap, effective shelter for disaster relief
Michael McDaniel designed housing for disaster relief zones -- inexpensive, easy to transport, even beautiful – but found that no one was willing to build it. Persistent and obsessed, he decided to go it alone. At TEDxAustin, McDaniel...
Be Smart
Why I Love PBS
1. Tell us what you love about public media using #IlovePBS 2. Learn more about public media at http://pbs.org/value. 3. Find your representative at https://www.govtrack.us/congress/members
TED Talks
TED: How cancer cells communicate -- and how we can slow them down | Hasini Jayatilaka
When cancer cells are closely packed together in a tumor, they're able to communicate with each other and coordinate their movement throughout the body. What if we could interrupt this process? In this accessible talk about cutting-edge...
TED Talks
TED: How to upgrade democracy for the Internet era | Pia Mancini
Pia Mancini and her colleagues want to upgrade democracy in Argentina and beyond. Through their open-source mobile platform they want to bring citizens inside the legislative process, and run candidates who will listen to what they say.
PBS
Are You a Boltzmann Brain?
Was an incredible drop in entropy responsible for the Big Bang? If that's the case, this would lead us to conclude that a great many other things are possible, including the likelihood that you are a Boltzmann Brain.
SciShow
Roswell & New Signals from Space
With news of radio signals from distant galaxies, a government agency that wants to investigate extra-terrestrial life, and the 66th anniversary of the Roswell Incident, this week has felt like a '90s science fiction melodrama. Hank's...
Crash Course
The New Astronomy: Crash Course History of Science
This week on Crash Course: History of the Scientific Revolution—astronomical anomalies accrued. Meanwhile, in Denmark—an eccentric rich dude constructed not one but two science castles! And his humble German assistant synthesized a lot...
MinuteEarth
The Hurricane Category Scale Is Broken
The current hurricane category scale doesn’t accurately convey the danger of a storm, because it doesn’t account for a hurricane's most destructive factors.
TED Talks
TED: You have no idea where camels really come from | Latif Nasser
Camels are so well adapted to the desert that it's hard to imagine them living anywhere else. But what if we have them pegged all wrong? What if those big humps, feet and eyes were evolved for a different climate and a different time? In...
SciShow
Will Space Settlers Live in Fungi Buildings?
What if we could grow buildings on other worlds? Researchers are looking to fungi to help us colonize the stars
TED Talks
TED: How farming could employ Africa's young workforce -- and help build peace | Kola Masha
Africa's youth is coming of age rapidly, but job growth on the continent isn't keeping up. The result: financial insecurity and, in some cases, a turn towards insurgent groups. In a passionate talk, agricultural entrepreneur Kola Masha...
TED Talks
TED: Let's protect the oceans like national parks | David Lang
You don't have to be a scientist to help protect the world's oceans, says underwater drone expert and TED Fellow David Lang -- in fact, ordinary citizens have pulled together to save the planet's natural treasures many times in history....
SciShow
Colonizing Venus with Giant Balloons
A lot of people talk about humans colonizing Mars, but what about Venus?
Crash Course
Taxes & Smuggling - Prelude to Revolution Crash Course US History
In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the...
SciShow
How to Make Plasma in Your Microwave ... With a Grape
You’ve probably seen the videos on YouTube turning grapes into fireballs in the microwave. Well, there’s a pretty cool scientific explanation for why a grape is perfect for making plasma.