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There Are Thousands of Alien Empires in The Milky Way

AdultsEducationScienceSpace
We often assume that advanced technology will make it easy for aliens to colonize space. But what if space exploration is always difficult, no matter how advanced you are?

What’s Eating The Titanic?

AdultsHistoryHumanScience
When a ship sinks, lots of factors, like the ship’s materials, the water quality, and the depth of the seafloor all play a role in determining how long the ship will last down there - as a result, the Titanic will be gone in fifty years, while Byzantine wrecks in the Black sea remain.

The Real Killer Of The Dinosaurs

AdultsEducationHistoryScience
A ruthless murder was committed! Someone killed the dinosaurs and we have the murderer! Witnesses say that an Everest-sized asteroid hit Earth, devastated the planet and caused a mass extinction. A simple, fascinating and convincing explanation. Or… is it?

Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment

AdultsConstructionCreativityEducation...
I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.

Our Instruction Manual for Existing

AdultsBiologyHistoryHuman...
Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.

Generative A.I - We Aren’t Ready.

AdultsHistoryScienceTechnology...
New generative A.I breakthroughs are happening almost every week, it seems.

We're Probably Going to Cure MS

AdultsHealthHistoryScience...
You've probably heard of multiple sclerosis, especially if you're a fan of The West Wing. But can we ever cure MS? Yes. But also, no. But also, probably? It's complicated.

Why Do All YouTube Videos Look Alike?

AdultsCreativityEducationMedia...
Many crustaceans from all sorts of starting points evolve to end up looking similar, likely due to outside pressures. That’s sort of like what happens with YouTube videos.

The Paradox of an Infinite Universe

AdultsEducationScienceSpace...
What is outside of the universe? We know that the universe had a beginning 14 billion years ago and that it has been expanding ever since.

3 Mysteries of the Universe

AdultsEducationScienceSpace
We're still in the dark about what 95 percent of our universe is made of — and the standard model for understanding particle physics has hit a limit.

The Oldest Unsolved Problem in Math

AdultsHistoryHumanMath...
Do odd perfect numbers exist?

What Happens AFTER Nuclear War?

AdultsEducationScienceWorld...
This video was made possible through a grant by Open Philanthropy.

The Trillion Dollar Equation

AdultsMathPhysicsScience...
The most famous equation in finance, the Black-Scholes/Merton equation, came from physics.

Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment

AdultsConstructionCreativityNature...
I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.

Why Are All Humans Unique? Meiosis: Crash Course Biology

AdultsBiologyHumanScience...
Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.

Why Climbers Trust Rubber With Their Lives

AdultsEducationLifeScience...
Why is rubber so “sticky”? Why does rubber consistently have one of the highest coefficients of friction?

Why Does Everything Decay Into Lead

AdultsEducationHistoryScience...
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive.

Weird Things Animals Do During Eclipses

AdultsAnimalsScienceSpace...
For centuries, humans have reported animals freaking out during solar eclipses, like birds falling from the sky and bees hiding in their hives, but the animals most affected by eclipses might be us.

Did The Future Already Happen? - The Paradox of Time

AdultsCreativityEducationScience...
Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.

Alex Honnold Rappels The Moulin

AdultsHumanTravelWorld...
Climber Alex Honnold and glaciologist Heidi Sevestre descend deep into a Moulin: a deep verticial river going tens of meters into the glacier itself.

Why It Was Almost Impossible to Make the Blue LED

AdultsHistoryScienceTechnology...
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.