TED Talks
Will Hurd: A wall won't solve America's border problems
"Building a 30-foot-high concrete structure from sea to shining sea is the most expensive and least effective way to do border security," says Congressman Will Hurd, a Republican from Texas whose district encompasses two times zones and...
TED-Ed
TED-ED: Can you solve the three gods riddle? - Alex Gendler
You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this...
PBS
Can We Combine pi & e to Make a Rational Number?
Can you produce a rational number by exchanging infinitely many digits of pi and e?
SciShow
Why Am I Upside-Down When I Look in a Spoon?
We'd like to know why you're staring at yourself in a spoon in the first place. But we can at least answer the question of why you look upside-down when you do.
TED Talks
How technology changes our sense of right and wrong | Juan Enriquez
What drives society's understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifice and public executions to slavery...
TED Talks
TED: Every day you live, you impact the planet | Jane Goodall
Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she...
TED Talks
Jan Chipchase: The anthropology of mobile phones
Nokia researcher Jan Chipchase's investigation into the ways we interact with technology has led him from the villages of Uganda to the insides of our pockets. He's made some unexpected discoveries along the way.
SciShow Kids
Why Do We Get Nosebleeds?
Jessi got a nose bleed while playing outside. In order to make it less scary, Jessi and Squeaks explain why they happen, and how to take care of them.
Crash Course
The Reproductive System: How Gonads Go - CrashCourse Biology
Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organisms: how do I make more of myself? So, sex, how does it work?
Be Smart
Why is the sky any color?
Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is...
TED Talks
Mandy Len Catron: Falling in love is the easy part
Did you know you can fall in love with anyone just by asking them 36 questions? Mandy Len Catron tried this experiment, it worked, and she wrote a viral article about it (that your mom probably sent you). But ... is that real love? Did...
TED-Ed
TED-ED: How do focus groups work? - Hector Lanz
Focus groups have been widely used by organizations and individuals to find out how their products and ideas will be received by an audience. From the usage of household products to a politician's popularity, almost everything can be...
SciShow
Do My Feet Smell Like Doritos?
Hank tackles another one of the internet's most-asked questions: What makes feet stink? And maybe more importantly, why do they sometimes smell like ... snack food?
TED Talks
TED: Why domestic violence victims don't leave | Leslie Morgan Steiner
Leslie Morgan Steiner was in "crazy love" -- that is, madly in love with a man who routinely abused her and threatened her life. Steiner tells the story of her relationship, correcting misconceptions many people hold about victims of...
TED-Ed
TED-Ed: How to build a fictional world - Kate Messner
Why is J.R.R. Tolkien's Lord of the Rings trilogy so compelling? How about The Matrix or Harry Potter? What makes these disparate worlds come alive are clear, consistent rules for how people, societies -- and even the laws of physics --...
SciShow Kids
How Do Rockets Fly? | Let's Explore Mars! | SciShow Kids
Rockets are super amazing, but how do we get something that weighs as much as 100 elephants all the way into space?
TED Talks
Thomas Curran: Our dangerous obsession with perfectionism is getting worse
Social psychologist Thomas Curran explores how the pressure to be perfect -- in our social media feeds, in school, at work -- is driving a rise in mental illness, especially among young people. Learn more about the causes of this...
TED Talks
Sara Valencia Botto: When do kids start to care about other people's opinions?
Drawing on her research into early childhood development, psychologist Sara Valencia Botto investigates when (and how) children begin to change their behaviors in the presence of others -- and explores what it means for the values we...
PBS
Where Did Viruses Come From?
There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they've infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle...
Bozeman Science
Engaging in Argumentation
In this video Paul Andersen explains how to have your students engage in argumentation in the science classroom.
Amoeba Sisters
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Explore DNA structure/function, chromosomes, genes, and traits and how this relates to heredity! Video can replace old DNA structure & function video and in addition covers foundational concepts of heredity. Table of Contents: Video...
MinutePhysics
Our Ignorance About Gravity
Thanks to the Heising Simons Foundation (https://www.hsfoundation.org/) for their support of this video, and of short range gravity research. This video is about how little we know about the behavior of gravity at short length and...
Bozeman Science
Exponential Growth
Paul Andersen explains how populations experience exponential. He begins by address the major players; N (population size) and r (growth rate). He models population growth in rabbits through four generations. He then shows you how to use...
SciShow Kids
Why Do We Put Salt on Icy Sidewalks? | Winter Science | SciShow Kids
It's snowing and Mister Brown needs to go put some salt on the Fort's front steps. But Squeaks wants to know, why do we put salt on icy sidewalks?
Second Grade Next Generation Science Standards
Disciplinary Core Ideas:
PS1.A:...