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How Tutankhamun Got His Gold | Lost Treasures of Egypt

AdultsHistoryHumanScienceCulture
How Tutankhamun Got His Gold | Lost Treasures of Egypt

The Snowflake Mystery

AdultsLifeNatureScienceBiology
Dr Ken Libbrecht is the world expert on snowflakes, designer of custom snowflakes, snowflake consultant for the movie Frozen - his photos appear on postage stamps all over the world.

Why The Ocean Needs Salt (But Has None)

AdultsLifeNatureScienceEnvironmentOcean
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.

How Imaginary Numbers Were Invented

AdultsHistoryHumanScienceMath
A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality.

What are gravitational waves? - Amber L. Stuver

AdultsPhysicsScienceSpace
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains.

Why is this 2,500 year old shipwreck so well-preserved?

AdultsConstructionHistoryScience
Discover the unique conditions that make the Black Sea host to dozens of shipwrecks that date back thousands of years.

What Dinosaurs ACTUALLY Looked Like?

AdultsHistoryLifeNatureScienceEducation
The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment. It is the home of everything that came before, the key to understanding our present.

Catching Criminals Using Their Relative's DNA

AdultsBiologyHumanScienceGeneticsPrivacy
Your genetic code is probably already in a database, without you ever giving a sample or permission.

The Rain Shadow Effect

AdultsEnvironmentNatureWorldScienceWeather
Here’s how mountains control the weather.

How to Photograph the Night Sky | National Geographic

AdultsCreativityEducationHumanPhotographyScience
NASCAR driver and photography enthusiast, Bubba Wallace, and National Geographic Photographer Babak Tafreshi demonstrate how to take nighttime photos of the sky. Paid Content for Columbia.

You could have a secret twin (but not the way you think) - Kayla Mandel Sheets

AdultsBiologyHumanScienceGeneticsHealthFamily
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others.

Earth's mysterious red glow, explained - Zoe Pierrat

AdultsEducationScienceSpaceNatureBiology
Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.

This Virus Shouldn't Exist (But it Does)

AdultsBiologyEducationScience
Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.

The Place Where Time Flows Backwards

AdultsEducationScienceSpacePhilosophySociety
People all around the world tend to represent time via space, but there’s no consensus on which way time goes.

How Distant Galaxies Mess With Our Lives

AdultsLifeScienceSpacePhysics
Tiny particles from distant galaxies have caused plane accidents, election interference and game glitches. This video is sponsored by Brilliant.

How the Kushites Took Over Egypt | Flooded Tombs of the Nile

AdultsHistoryHumanScienceCulture
The Kushites and the Egyptians have a long history that is often forgotten about. Archeologist excavating a Kushite tomb discuss just how interconnected the two cultures were as they discover new artifacts within the tomb.

Can you outsmart the slippery slope fallacy? - Elizabeth Cox

AdultsEducationHumanSciencePsychology
Dig into the slippery slope fallacy, which assumes that one step will lead to a series of events that lead to an extreme— often bad— scenario.

The Largest Black Hole in the Universe - Size Comparison

AdultsEducationScienceSpace
The Black Hole story continues with our Black Hole merch, spanning the whole range from somewhat bonkers to more serious.

The method that can "prove" almost anything - James A. Smith

AdultsHistoryHumanScienceData Science
Explore the data analysis method known as p-hacking, where data is misrepresented as statistically significant.

The Simplest Math Problem No One Can Solve

AdultsEducationHistoryMathScience
The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.

Why You Should Want Driverless Cars On Roads Now

AdultsArtificial IntelligenceIndustryScienceTechnologyTransportation
How close are we to having fully autonomous vehicles on the roads? Are they safe? In Chandler, Arizona a fleet of Waymo vehicles are already in operation. Waymo sponsored this video and provided access to their technology and personnel. Check out their safety report here: