SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
Chernobyl's Radioactive Wild Boar Paradox
After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...
SciShow
How Do We Know How Old the Earth Is?
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
PBS
How Vacuum Decay Would Destroy The Universe
The universe is going to end. But of all the possible ends of the universe vacuum decay would have to be the most thorough - because it could totally rewrite the laws of physics. Today I hope to help you understand exactly how terrified...
PBS
Our Antimatter, Mirrored, Time-Reversed Universe
The foundations of quantum theory rests on its symmetries. For example, it should be impossible to distinguish our universe from one that is that is the perfect mirror opposite in charge, handedness, and the direction of time. But one by...
PBS
Could the Higgs Boson Lead Us to Dark Matter?
The discovery of the Higgs boson ten years ago in the Large Hadron Collider was the culmination of decades of work and the collaboration of 1000s of brilliant and passionate people. It was the final piece needed to confirm the standard...
PBS
How We Know The Earth Is Ancient
In astronomy we talk about billions of years like it’s no big deal. But how can we be sure about timescales so far beyond the capacity for human intuition? Our discovery of what we now call deep time is very recent - as recent as our...
Be Smart
These Death-Eating Scavengers Are Real Life-Savers | IN OUR NATURE
Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie together Earth’s living...
SciShow
The Biggest Volcano and Small Testes
Hank reviews the latest in science news, including the discovery of Element 115, the biggest volcano on Earth, and new insights into what it might mean to have small testicles.
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
MinutePhysics
How to Tell Matter From Antimatter | CP Violation & The Ozma Problem
This video was made with the support of the Heising Simons Foundation. This video is about the Ozma problem of distinguishing the chirality (ie left-handedness or right-handedness) of matter using weak interaction processes like beta...
Be Smart
Where Did Life Come From? (feat. PBS Space Time and Eons!)
The origin of life is one of the most important mysteries in all of science. When did life begin? How did life first evolve from chemistry? Where did life get started? In some primordial soup or somewhere else? Let's journey back to the...
MinutePhysics
How To Make MUONS
This video is about how to create muons in a particle accelerator via bombardment of heavy nuclei with protons, which results in creation of charged pions (plus and minus). The pions then decay into muons and mu neutrinos, and the muons...
SciShow
The Universe As We Know It Shouldn't Exist | The Matter-Antimatter Problem
The universe is a pretty grand place to live, but scientists have one issue with it, it's an anomaly that should be scientifically impossible.
SciShow
Where Are All the Dinosaur Brains?
We've found plenty of dinosaur bones all around the world, but is it possible to find any fossilized soft tissues from ancient animals?
SciShow
IDTIMWYTIM Schrodingers Cat
"I Don't Think It Means What You Think It Means" examines scientific theories that have taken on a life of their own in popular culture & we help you understand what they really mean in scientific terms. Today we take on Schrodinger's...
PBS
How Will the Universe End?
We live in an unusual age - the age when the stars still shine. We should count ourselves lucky - nearly all of future history will be dark. But events will still unfold in that long, cooling darkness, and civilizations may endure. So...
SciShow
Salted Nukes: An Even More Dangerous Bomb
Nuclear weapons are the most destructive things we’ve ever created, but it turns out there’s a way to make them even deadlier…
TED-Ed
Why didn't this 2,000 year old body decompose? | Carolyn Marshall
It may not appear very lively six feet underground, but a single teaspoon of soil contains more organisms than there are human beings on the planet. From bacteria and algae to fungi and protozoa, soils are home to one quarter of Earth's...
SciShow
How to Date a Dead Thing
SciShow explains radiocarbon dating, the best way to date a dead thing!
SciShow
Do Animals Mourn Their Dead?
We can't know if or how animals understand death, but behavioral changes in some species could mean they experience something similar to human grief.
SciShow
New Elements and Exploding Whales
Hank introduces you to the latest element to be created -- and explains why we make them in the first place -- plus the science of exploding whales. It's a thing, people.
SciShow
Who Melted the Earth
Hank clarifies, corrects, and generally straightens out the origins of the terrific heat inside the Earth. It's not only from the collisions and pressure that date back to Earth's formation, it also involves the transport of heavier...
SciShow
The Strange, Smelly Science of Decomposing Bodies
How is it we know so much of decomposition? The smelly truth? - Body Farms! Michael Aranda explains what happens after you die and how eventually you turn back into dust.