PBS
When Insects First Flew
Insects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still working on, and arguing about, how and when insect wings first came about.
TED Talks
TED: American bipartisan politics can be saved -- here's how | Bob Inglis
Former Republican member of the u.S. Congress Bob Inglis shares an optimistic message about how conservatives can lead on climate change and other pressing problems -- and how free enterprise (and working together across ideologies) hold...
SciShow Kids
What is an Engineer? | Squeaks has an Engineering Problem! | SciShow Kids
Mister Brown teaches Squeaks all about engineering to help him solve a problem he is having! K-2 Next Generation Science Standards Science and Engineering Practices: Asking Questions and Defining Problems, Developing and Using Models,...
TED Talks
TED: The data behind Hollywood's sexism | Stacy Smith
Where are all the women and girls in film? Social scientist Stacy Smith analyzes how the media underrepresents and portrays women -- and the potentially destructive effects those portrayals have on viewers. She shares hard data behind...
SciShow
Facebook's Secret Psychological Experiment
SciShow News explains the science behind a psychological experiment performed on about seven hundred thousand Facebook users, although none of them knew that they were participating.
MinuteEarth
How To Solve Every Global Crisis
Lots of global problems seem intractable, but there’s a formula for success that we can follow.
TED Talks
TED: How to disagree productively and find common ground | Julia Dhar
Some days, it feels like the only thing we can agree on is that we can't agree -- on anything. Drawing on her background as a world debate champion, Julia Dhar offers three techniques to reshape the way we talk to each other so we can...
TED Talks
TED: In praise of conflict | Jonathan Marks
Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the...
PBS
The Leap Second Explained
Every once in a while we add a second onto our days. Similar to the Leap Year, this is known as the Leap Second. But, if the Leap Year already helps us account for the offset from a calendar in days, what exactly does the Leap Second do?...
TED Talks
Sally Kohn: Let’s try emotional correctness
It's time for liberals and conservatives to transcend their political differences and really listen to each other, says political pundit Sally Kohn. In this optimistic talk, Kohn shares what she learned as a progressive lesbian talking...
TED Talks
TED: Free yourself from your filter bubbles | Joan Blades and John Gable
Joan Blades and John Gable want you to make friends with people who vote differently than you do. A pair of political opposites, the two longtime pals know the value of engaging in honest conversations with people you don't immediately...
TED Talks
Toby Eccles: Invest in social change
Here's a stat worth knowing: In the UK, 63% of men who finish short-term prison sentences are back inside within a year for another crime. Helping them stay outside involves job training, classes, therapy. And it would pay off handsomely...
SciShow
How Far Will People Go to Fit In?
Have you ever gone along with a group even though you had your doubts? You're not alone: Research shows unanimous decisions aren't always actually unanimous.
SciShow
Me, Myself, and I: Dissociative Identity Disorder
Edward Norton and Jim Carrey might be charming actors, but their film portrayals of people with multiple personalities aren’t even close to accurate.
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
That Galaxy With No Dark Matter It's Probably Not Real - SciShow News
A little over a year ago, we covered a mind-blowing discovery on SciShow Space News. Some researchers even suggested that, if this was confirmed, it would be one of the biggest astronomy findings in years. Except, as it turns out… that...
SciShow
Are Modern Humans Really Older Than We Thought?
Until recently, fossil evidence for modern humans has only gone back 200,000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300,000 years. Chapters View all Homo sapiens 0:09...
TED-Ed
TED-Ed: How Thor got his hammer - Scott A. Mellor
Loki the mischief-maker, writhes in Thor’s iron grip. The previous night, he’d snuck up on Thor’s wife and shorn off her beautiful hair. To fix what he’d done, Loki rushes to the dwarves and tricks them into making gifts for the gods....
MinuteEarth
The Place Where Time Flows Backwards
People all around the world tend to represent time via space, but there’s no consensus on which way time goes.
TED Talks
TED: 3 myths about racism that keep the US from progress | Candis Watts Smith
Racism morphs, spreading and hiding behind numerous half-truths and full-blown falsities about where it lives and who embodies it. In this actionable talk, political scientist Candis Watts Smith debunks three widely accepted myths about...
SciShow
SciShow Talk Show: The Clitoris & Wilbur the Hognose Snake
Join us for the SciShow Talk Show as Lindsey Doe sheds light on the female reproductive anatomy. Then Jessi from Animal Wonders joins the show to show off Wilbur the Western Hognose Snake. Chapters View all DR. LINDSEY DOE 0:18 CLITORIS...
PBS
Are Space and Time An Illusion?
This episode of Space Time is actually about Spacetime, so pull up a chair, grab your favorite snack, and buckle up, because this episode is going to be a TRIP. Gabe explores what reality is, what "time" is, and why what you think those...
Be Smart
How the Meter Became The Meter
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and...