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Why Are All Humans Unique? Meiosis: Crash Course Biology

AdultsBiologyHumanScienceEducation
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.
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Why Climbers Trust Rubber With Their Lives

AdultsEducationLifeScienceEngineering
Why is rubber so “sticky”? Why does rubber consistently have one of the highest coefficients of friction?
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Why Does Everything Decay Into Lead

AdultsEducationHistoryScienceChemistry
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive.
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Weird Things Animals Do During Eclipses

AdultsAnimalsScienceSpaceNature
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.
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Alex Honnold Rappels The Moulin

AdultsHumanTravelWorldSportsAdventureScience
Climber Alex Honnold and glaciologist Heidi Sevestre descend deep into a Moulin: a deep verticial river going tens of meters into the glacier itself.
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Why It Was Almost Impossible to Make the Blue LED

AdultsHistoryScienceTechnologyEngineering
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
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The Rainiest Place On Earth

AdultsScienceWeatherEnvironmentNature
Huge thanks to Okouchi-San and Dr. Sakai and everyone at NIED and the Large Scale Rainfall Simulator for their time, expertise and access to this amazing facility.
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How Do We Get Energy? (Chemical Reactions): Crash Course Biology #26

AdultsEducationScienceBiology
Cells need energy to power the chemical reactions that keep their microscopic cities running, and most of that energy comes from a chemical called ATP.
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Was Evacuating Fukushima a Mistake?

AdultsScienceWeatherWorldPoliticsEnvironment
I explored the Fukushima Exclusion Zone for 10 days in the April of 2023. When I was there, I was honestly shocked by the amount of contamination.
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The Best Keyboard, According to Science

AdultsDesignHumanScienceTechnology
o become a master of coding, start your college journey with Study Hall!
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Inside The Sunny Center of a Hurricane

AdultsLifeNatureWeatherScienceNatural Disasters
To learn more about how Florida International University is revolutionizing what we know about hurricanes, visit https://FIU.edu Why is the middle of a hurricane sometimes so clear and calm?
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Did The Future Already Happen? - The Paradox of Time

AdultsEducationScienceSelfPhilosophyFuture
Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.
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Raja Ampat: The Last Stronghold of Healthy Coral Reefs | National Geographic

AdultsLifeNatureWorldEnvironmentScience
Paid content for @Prada. Coral reefs are often described as the rainforests of the seas, and for good reason.
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Can a Simple Brick Be the Next Great Battery?

AdultsEducationScienceTechnologyEnvironmentBiology
The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use.
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Why We Need To Teach Astronomy

AdultsEducationHumanScienceAstronomy
People don’t understand the scale of the Universe.
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What the biggest brain on Earth can do - David Gruber and Shane Gero

AdultsAnimalsLifeNatureScienceNeuroscience
Explore how sperm whales use an array of complex vocalizations to communicate with each other, hunt, and assess their surroundings.
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Why Don't Electric Eels Shock Themselves?

AdultsAnimalsLifeNatureScience
Electric eels can emit some of the largest shocks in the animal kingdom - but why don't they shock themselves?
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Your Tattoo is INSIDE Your Immune System. Literally

AdultsArtHumanScienceHealth
Your tattoos are inside your immune system, literally. With each very tasteful piece of art, you kick start a drama with millions of deaths, grand sacrifices and your immune system stepping in to protect you from yourself.
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What The Prisoner's Dilemma Reveals About Life, The Universe, and Everything

AdultsEducationPsychologyScienceGamesPhilosophy
This is a video about the most famous problem in Game Theory, the Prisoner’s Dilemma.
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A Tour of the Cell: Crash Course Biology #23

AdultsBiologyEducationHumanScience
The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced.
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This Nuclear Conspiracy Theory is CRAZY

AdultsEducationPhysicsSciencePolitics
When we published a video from Hiroshima, a new kind of conspiracy theorist crawled out of the woodwork.