SciShow
How Did North America End Up With a Marsupial?
Both North and South America have their own species of marsupial, the opossum, but how they got so far away from their Australian relatives is a bit of a mystery.
SciShow
Misattribution: How We Mistake Fear for Love
Some emotions can feel so similar that you might mix them up and pick the wrong emotion.
TED Talks
Marlene Zuk: What we learn from insects' sex lives
In this enlightening, funny talk, Marlene Zuk shares just some of the ways that insects are truly astonishing -- and not least for the creative ways they have sex.
SciShow
Why You Should Care About the Plastic in Your Poop
A recent study has concluded that people all over the world are probably ingesting microscopic plastic all the time. Now scientists want to know where this plastic is coming from, how it ends up inside of us, and the damage it could do...
TED Talks
TED: Rethinking infidelity ... a talk for anyone who has ever loved | Esther Perel
Infidelity is the ultimate betrayal. But does it have to be? Relationship therapist Esther Perel examines why people cheat, and unpacks why affairs are so traumatic: because they threaten our emotional security. In infidelity, she sees...
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...
TED Talks
Ayana Elizabeth Johnson: A love story for the coral reef crisis
Over the course of hundreds of scuba dives, marine biologist Ayana Elizabeth Johnson fell in love -- with a fish. In this ode to parrotfish, she shares five reasons why these creatures are simply amazing (from their ability to poop white...
TED Talks
David Brooks: Should you live for your résumé ... or your eulogy?
Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a résumé, and the self who seeks connection, community, love -- the values that make for a great eulogy....
TED Talks
TED: How we'll find life on other planets | Aomawa Shields
Astronomer Aomawa Shields searches for clues that life might exist elsewhere in the universe by examining the atmospheres of distant exoplanets. When she isn't exploring the heavens, the classically trained actor (and TED Fellow) looks...
TED Talks
TED: My journey from Marine to actor | Adam Driver
Before he fought in the galactic battles of Star Wars: The Force Awakens, Adam Driver was a united States Marine with 1/1 Weapons Company. He tells the story of how and why he became a Marine, the complex transition from soldier to...
SciShow Kids
Make Edible Glass Hearts!
Glass is really cool, but where does it come from? Jessi and Squeaks have a pretty sweet activity to show you how glass is made SOURCES: Disciplinary Core Ideas: PS1.A: Structure and Properties of Matter - Different kinds of matter exist...
SciShow
High-Fructose Corn Syrup: The "Dark Lord" of Nutrition
Hank takes on high fructose corn syrup - the new "dark lord of nutrition" - to help explain the ambiguities around all the claims being made about it.
TED Talks
TED: This is what enduring love looks like | Alec Soth and Stacey Baker
Stacey Baker has always been obsessed with how couples meet. When she asked photographer Alec Soth to help her explore this topic, they found themselves at the world's largest speed-dating event, held in Las Vegas on Valentine's Day, and...
TED-Ed
TED-Ed: The contributions of female explorers - Courtney Stephens
During the Victorian Age, women were unlikely to become great explorers, but a few intelligent, gritty and brave women made major contributions to the study of previously little-understood territory. Courtney Stephens examines three...
TED Talks
TED: The ocean's glory -- and horror | Brian Skerry
Photographer Brian Skerry shoots life above and below the waves -- as he puts it, both the horror and the magic of the ocean. Sharing amazing, intimate shots of undersea creatures, he shows how powerful images can help make change.
TED-Ed
TED-Ed: Pavlovian reactions aren't just for dogs - Benjamin N. Witts
Dr. Ivan Pavlov's groundbreaking work revealed that a dog will respond to neutral stimuli, such as a bell, in the same way that it will respond to, say, mouth-watering food. This research is widely applicable beyond a dog's salivation....
TED Talks
Erika Hamden: What it takes to launch a telescope
TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from a giant balloon at the very edge of space and looks for clues about how stars are created. She takes us inside the roller-coaster,...
Be Smart
Relationship Advice from the Animal Kingdom
Ever find yourself wishing for relationship advice and have no one to turn to? Looking for the secrets to a long and happy relationship but can't find the answers? Maybe you just want to know how to tell that certain someone that you...
Crash Course
What Is Myth? Crash Course World Mythology
Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...
TED Talks
TED: The death of the universe -- and what it means for life | Katie Mack
The universe started with a bang -- but how will it end? With astonishing visuals, cosmologist and TED Fellow Katie Mack takes us to the theoretical end of everything, some trillions of years in the future, in a profound meditation on...
TED Talks
TED: What capitalism gets right -- and governments get wrong | Katherine Mangu-Ward
Is capitalism a good thing? Journalist Katherine Mangu-Ward makes the case that "weirdos" left alone to innovate and explore far-out ideas in a free market system are our best hope for the future. She asks us to reconsider our qualms...
TED Talks
Sandeep Jauhar: How your emotions change the shape of your heart
"A record of our emotional life is written on our hearts," says cardiologist and author Sandeep Jauhar. In a stunning talk, he explores the mysterious ways our emotions impact the health of our hearts -- causing them to change shape in...
TED Talks
TED: Why 30 is not the new 20 | Meg Jay
Clinical psychologist Meg Jay has a bold message for twentysomethings: Contrary to popular belief, your 20s are not a throwaway decade. In this provocative talk, Jay says that just because marriage, work and kids are happening later in...
TED Talks
TED: Islamophobia killed my brother. Let's end the hate | Suzanne Barakat
On February 10, 2015, Suzanne Barakat's brother Deah, her sister-in-law Yusor and Yusor's sister Razan were murdered by their neighbor in Chapel Hill, North Carolina. The perpetrator's story, that he killed them over a traffic dispute,...