SciShow
The Sun's Center Is 39,000 Years Younger Than Its Surface
In the early 1960s, Richard Feynman was quoted as saying that Earth's center should be a day or two younger than its surface. 50 years later, scientists re-did the math.
MinutePhysics
Einstein's Biggest Blunder, Explained
This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the problem by introducing the cosmological...
PBS
What Planet Is Super Mario World?
We've run, jumped, and stomped all over the world of Super Mario, but, where in the universe is Super Mario EXACTLY? It's virtual so it obviously DOESN'T exist but if it did, could Super Mario world be in our solar system? And what do...
SciShow
How We Solved the Mystery of Pulsating Auroras
Astronomers have finally observed what causes pulsating auroras, and our estimates of the mass of the Andromeda Galaxy have shrunk.
SciShow
The Kugelblitz: A Black Hole Made From Light
Can you make a black hole out of light? Learn about the strange theoretical object called the 'Kugelblitz'.
SciShow
Why Isn't a Kilogram a Kilogram?
The kilogram is the basic unit of mass in the metric system, but there's a serious problem: the standard that defines how much mass a kilogram actually has isn't reliable anymore
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...
SciShow
Red Nugget Galaxies The Universe's Ultimate Survivors
Finding a red nugget galaxy is like discovering a time capsule from the early universe.
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...
MinuteEarth
The Science of Hobbit Gluttony
Because smaller animals have to eat more relative to their bodyweight, Tolkein’s hobbits need to eat a lot - not for comfort, but for survival.
SciShow
A Dying Hot Jupiter and The Birth of Carbon Planets
We think we discovered a Hot Jupiter being consumed by its star! Hank Green explains this and the birth of carbon planets in this episode of SciShow News.
SciShow
More Higgs boson news
Hank brings us up to date on the latest in the search for the Higgs boson and interviews Fermilab physicist Rob Roser.
SciShow
What the Frick is a Globster?
Sometimes, big hunks of strange-looking flesh wash up onshore and then people think that they're dinosaurs or giant octopi or previously undiscovered species. Turns out the ocean can do nasty things to dead things...making them just...
SciShow
GRACE Mission Data Informs Climate Science: Getting Beyond the Spin About Sea-Level Rise
Hank sets the record straight on some of the findings of NASA's GRACE mission and how they relate to predictions about sea level rise and climate change.
SciShow
New Surprises from the Asteroid Bennu - SciShow News
There’s nothing boring about Bennu! From its chemistry, size, shape, and spin to its extremely old age, it proves that even the smallest objects in the solar system have a bizarre and fascinating history.
SciShow
Found: The Missing Link of Black Holes | SciShow News
Astronomers have been trying to figure out black holes for hundreds of years, and newly published research may hold some big clues! Plus, rust isn’t supposed to happen in dry and airless places like the Moon. Could the elements that...
SciShow
Apocalypse Averted, Colossal Squid, & Rocket to the Sun?
Hank tells us about near-earth objects & primordial black holes; new developments in evolutionary genetics; a giant squid & a giant radio telescope; & answers viewer questions about disposing of nuclear waste in space.
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...
SciShow
Minerva and the New Hunt for Alien Worlds
SciShow explains the science of detecting exoplanets -- planets in orbit around distant stars -- and how a new observatory being built in California may open up whole new worlds to us, literally!
SciShow
SpaceX's Awesome New Craft, and 'Mega-Earth' Discovered
SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.
SciShow
Cassini’s Last Hurrah & Hints About Saturn’s Rings
Cassini is about to take its final dive into the rings of Saturn, and scientists are still debating the status of water on our moon.
SciShow
The Truth About the Charlie Charlie Challenge
We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.Very, very special thanks to Henry Reich of Minute Physics for helping with the content of this video.