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

AdultsConstructionCreativityNatureExperimentsScienceEngineering
I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
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What Is Ambergris?

YouthAnimalsFactsScienceNature
Our researcher Dr James Rule explains what ambergris is made of and why we’ve become so fond of it.
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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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Odysseus Spacecraft Lands On The Moon

YouthFutureSpaceTechnologyScience
On Thursday evening, the Odysseus spacecraft landed on the Moon. It's the first time a US spacecraft has landed on the Moon in 50 years.
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What's The Smallest Animal On Earth?

YouthAnimalsEducationScience
Are you wondering: What's the smallest animal on Earth? This question came from Brady, a student from Canada.
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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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Are We Made Of Stardust?

YouthFactsScienceSpaceHistory
Our planetary scientist Dr Ashley King reveals how the big bang, stars and supernovas helped make life possible.
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Did The Future Already Happen? - The Paradox of Time

AdultsCreativityEducationSciencePhilosophyFuture
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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What You Need To Know About Europa

YouthScienceSpaceWorld
Exploring this ocean world with our Europa Clipper spacecraft could provide new clues in our search for life beyond Earth.
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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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Saber-Toothed Smilodon

KidsAnimalsHistoryNatureScience
Smilodon the saber-toothed cat had really big teeth! Join Jessi and Squeaks and learn all about how fossils can tell us how these Ice Age animals lived.
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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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Why Do We Get Goosebumps?

YouthBiologyHumanScience
We've all been there when it gets a bit chilly and you end up with goosebumps. But have you ever wondered why and how we get them?
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Your Immune System

KidsBiologyHealthScience
Watch the video to learn how our immune system works and what are the three types of immunity that protect us each and every day.
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Why Do Reindeer Eyes Change Colour?

YouthAnimalsFactsScienceBiology
Reindeer eyes have the remarkable ability to change colour throughout the year. Dr. Natalie Cooper tells us more.
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How Do We Keep Life's Jenga Tower From Toppling?

YouthEcologyNatureWorldScienceBiologyEnvironment
In this episode of Crash Course Biology, we’ll see how conservation biology aims to restore habitat and preserve biodiversity.
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Plant Your Pants?!?

YouthHow-toNatureScienceBiology
Shanequa went to meet some young science investigators to find out how a big pair of pants has been used for an experiment to check the quality of soil at a farm.
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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.