SciShow
The End of Everything
Hank gives us an inclusive overview of how everything in the universe is thought to have begun, and how cosmologists predict it will all come to an end. Now get happy!
SciShow
How Political Questions Mess with Your Brain
It’s an election year, which means you’ve probably been bombarded with polls asking you questions about candidates and issues. But is information the only thing pollsters are after? Questions are often more than just questions. They can...
TED-Ed
TED-Ed: Dark matter: How does it explain a star's speed? - Don Lincoln
All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force...
SciShow
Zombie Stars Discovered!
SciShow Space reveals the discovery of a whole new kind of supernova, and the undead stars they leave behind.
Bozeman Science
Thinking in Matter - Level 4 - Conservation of Matter
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter. TERMS Matter - physical substances Atoms - the basic unit of elements Conservation - the quantity of a physical quantity remains...
TED Talks
Risa Wechsler: The search for dark matter -- and what we've found so far
Roughly 85 percent of mass in the universe is "dark matter" -- mysterious material that can't be directly observed but has an immense influence on the cosmos. What exactly is this strange stuff, and what does it have to do with our...
TED Talks
TED: Tales of passion | Isabel Allende
Author and activist Isabel Allende discusses women, creativity, the definition of feminism -- and, of course, passion -- in this talk.
PBS
Quantum Invariance & The Origin of The Standard Model
Our laws of physics are equations of motion, along with some associated constants. We've talked about the symmetries of these equations, and how they lead us to conserved quantities. But this is just the tip of the theoretical iceberg -...
SciShow
Why Mars Rovers Don't Study Water
Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?
SciShow
No, We Did Not Just Solve Dark Matter and Dark Energy - SciShow News
A paper published last week proposed a hypothesis that identified 95% of the missing stuff in the universe, but the headlines have been a little over-hyped.
SciShow
A New Idea About Tabby's Star!
Astronomers might have finally discovered part of why Tabby's Star acts so strangely and we have some new ideas about what triggers a type Ia supernova.
TED Talks
TED: Why aren't we more compassionate? | Daniel Goleman
Daniel Goleman, author of "Emotional Intelligence," asks why we aren't more compassionate more of the time.
SciShow
What Stephen Hawking Really Said About Black Holes
Hank explains the science behind recent reports that physics great Stephen Hawking said "there are no black holes." There are. They're just super complicated.
SciShow
No, We Didn't Discover a Bizarro Universe | SciShow News
Scientists picked up two unusual signals that seemed to be coming up from the ground instead of down from space. They're still working on understanding why, but despite what you may have heard, they aren't evidence for a parallel...
Crash Course
A Brief History of the Universe
Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when...
TED-Ed
TED-ED: The paradox of value - Akshita Agarwal
Imagine you're on a game show and you can choose between two prizes: a diamond - or a bottle of water. It's an easy choice _ the diamonds are more valuable. But if given the same choice when you were dehydrated in the desert, after...
SciShow
What We (Don't) Know About Dark Matter
Scientists are still working on theories that might help explain what the vast majority of our universe is made of.
SciShow
Why You Don't Really Know the Size of a Walrus
When you imagine a walrus, you probably picture it way smaller than it actually is. It’s because our brains meddle with our senses in more ways than you might expect.
Crash Course Kids
What's My Property
What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which...
TED Talks
TED: How germs travel on planes -- and how we can stop them | Raymond Wang
Raymond Wang is only 17 years old, but he's already helping to build a healthier future. using fluid dynamics, he created computational simulations of how air moves on airplanes, and what he found is disturbing -- when a person sneezes...
Crash Course
The Chemical Mind - Crash Course Psychology
BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex...
TED Talks
Patricia Burchat: Shedding light on dark matter
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
TED Talks
Sophal Ear: Escaping the Khmer Rouge
TED Fellow Sophal Ear shares the compelling story of his family's escape from Cambodia under the rule of the Khmer Rouge. He recounts his mother's cunning and determination to save her children.
TED Talks
Gian Giudice: Why our universe might exist on a knife-edge
The biggest surprise of discovering the Higgs boson? That there were no surprises. Gian Giudice talks us through a problem in theoretical physics: what if the Higgs field exists in an ultra-dense state that could mean the collapse of all...