TED Talks
TED: What if you could help decide how the government spends public funds? | Shari Davis
What if you could help decide how the government spends public funds in your community? That's the idea behind participatory budgeting, a process that brings local residents and governments together to develop concrete solutions to real...
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
SciShow
We’re Giving Nature a Vitamin Deficiency
Scientists are beginning to notice that more and more species are missing an essential vitamin, one that is crucial for their survival.
TED Talks
Jared Diamond: Why do societies collapse?
Why do societies fail? With lessons from the Norse of Iron Age Greenland, deforested Easter Island and present-day Montana, Jared Diamond talks about the signs that collapse is near, and how -- if we see it in time -- we can prevent it.
SciShow
How To Fly More Fuel-Efficiently
Airplanes use a lot of fuel, which means a lot of CO2 emissions. So, to help reduce the impact of aviation, engineers are looking to animals (like sharks) for some ways they can make airliners more efficient.
Amoeba Sisters
Mutations (Updated)
Join the Amoeba Sisters as they explain gene and chromosome mutations, and explore the significance of these changes. This updated video has improved audio and images! Codons and the amino acids they code for is represented by standard...
Crash Course
Max Weber & Modernity: Crash Course Sociology
This week we are wrapping up our overview of sociology’s core frameworks and founding theorists with a look Max Weber and his understanding of the modern world. We’ll explore rationalization and the transition from traditional to modern...
SciShow Kids
Let’s Make Oobleck!
Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!
Bozeman Science
pH and Buffers
In this video Paul Andersen explains how buffer solutions maintain pH in a solution. A buffer solution is made up of a weak acid and its conjugate base. As strong acids or bases are added the pH remains stable. A good buffer solution has...
SciShow
What This Video Will Do to Your Friends' Brains
The way your brain reacts to stimuli might tell us more about who you're friends with, and swatting at mosquitoes might one day bring us positive results.
TED-Ed
TED-ED: Would winning the lottery make you happier? - Raj Raghunathan
Imagine winning a multi-million dollar lottery tomorrow. If you're like many of us, you'd be ecstatic, unable to believe your good luck. But would that joy still be there a few years later? Raj Raghunathan describes a phenomenon called...
TED Talks
TED: The seeds of change helping African farmers grow out of poverty | Andrew Youn
Farmers stand at the center of the world, says Andrew Youn, cofounder of One Acre Fund, an agricultural organization that's empowering sub-Saharan farm families with the loans, seeds, fertilizer and training needed to increase crop...
MinuteEarth
These Names Can Kill Animals
Just like the names of products and companies, animals' names can affect how we feel about them...and changing the name of a species might actually help us save it. ___________________________________________ Credits (and Twitter...
SciShow
Could We Give Mars a Magnetic Field?
One way to help us live on Mars would be to terraform the planet. Some scientists think we might be able to do that by giving it a new magnetic field!
Bozeman Science
Logistic Growth
Paul Andersen explains how populations eventually reach a carrying capacity in logistic growth. He begins with a brief discussion of population size ( N ), growth rate ( r ) and exponential growth. He then explains how density dependent...
Crash Course Kids
A Change of Scenery
The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly...
Amoeba Sisters
Speciation
Explore speciation with The Amoeba Sisters. This video discusses sympatric and allopatric speciation and covers several types of isolation types including behavioral, temporal, and habitat isolations. Table of Contents: Intro 00:00...
TED Talks
TED: How great leaders innovate responsibly | Ken Chenault
In times of uncertainty, leaders have a responsibility to inspire hope. Sharing hard-won wisdom, business leader Ken Chenault talks about what it takes to enact positive, enduring change -- and why it's more important than ever to invest...
TED Talks
Edward Burtynsky: My wish: Manufactured landscapes and green education
Accepting his 2005 TED Prize, photographer Edward Burtynsky makes a wish: that his images -- stunning landscapes that document humanity's impact on the world -- help persuade millions to join a global conversation on sustainability.
TED Talks
TED: Want to change the world? Start by being brave enough to care | Cleo Wade
Artist and poet Cleo Wade recites a moving poem about being an advocate for love and acceptance in a time when both seem in short supply. Woven between stories of people at the beginning and end of their lives, she shares some truths...
SciShow
Technicolor Dream Fish: How Tilefish Flash
Lots of animals can change the color of their skin, but there's nothing quite like the chameleon sand tilefish, which can change its appearance in an instant and flash the colors of the rainbow.
TED Talks
The 1-minute secret to forming a new habit | Christine Carter
You know how resolutions often go: you set a goal and start strong ... then the motivation runs out and feelings of frustration and shame creep in. The struggle is real -- but what if it doesn't have to be? Sociologist Christine Carter...
PBS
The Misunderstood Nature of Entropy
Entropy is surely one of the most intriguing and misunderstood concepts in all of physics. The entropy of the universe must always increase - so says the second law of thermodynamics. It's a law that seems emergent from deeper laws -...
Crash Course
Friction: Crash Course Physics
Why is it hard to move a heavy bookcase across a carpeted floor? And why is it easier to keep it moving than it was to get it started moving? You might think it's all about weight, but actually it's about friction. Two kinds of friction!...