SciShow
Fool’s Gold Might Be Better Than the Real Thing
This month's Rocks Box is pyrite, also called fool's gold. But this fool's gold might not be so foolish, since we can use it to get all kinds of other minerals we really need, and it may be a key to getting real gold after all.
SciShow
Where Did Mercury’s Spots Come From?
The Sun isn’t the only celestial body in the solar system to boast spots of its own. Mercury, too, has its fair share, and they’re worth wondering about.
PBS
The World Before Plate Tectonics
There was a time in Earth’s history that was so stable, geologists once called it the Boring Billion. But the fact is, this period was anything but boring. In fact, it set the stage for our modern version of plate tectonics - and...
PBS
How Volcanoes Froze the Earth (Twice)
Over 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent...
SciShow
How Earth's Rotation Affects Our Oxygen | SciShow News
Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.
SciShow
If the Asteroid Hit 10 Minutes Later...
If the 10 kilometer wide asteroid that hit the Earth 66 million years ago hit just a few minutes later, would the outcome of the living creatures here have been different?
MinutePhysics
Will Batteries Power The World? | The Limits Of Lithium-ion
Can Batteries Power Everything? This video is about the physical and chemical limitations to electrolytic batteries, and how we might surpass the energy density and specific energy of lithium-ion batteries (like the Panasonic 18650...
Crash Course
Retrosynthesis and Liquid-Liquid Extraction: Crash Course Organic Chemistry
As we construct more complex organic molecules, it can start to feel like decrypting a complex code. Organic synthesis takes simple starting materials, and turns them into complex structures, and reverse engineering can help us figure...
SciShow
Weird Places: The Glowing Blue Lava at Kawah Ijen
Maybe you've seen pictures of glowing blue lava flows and dismissed them as Photoshop trickery. Healthy skepticism is good, but there really is a volcano in Indonesia where a unique fluke of chemistry creates an eerie blue glow.
SciShow
How Earth's Rotation Affects Our Oxygen | SciShow News
Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.
SciShow
Water Weirdness Sweaty Comets, and Titan's Hidden Oceans
SciShow News gives you some wet and weird developments from around the solar system, including new insights about what liquid lurks under the surface of Titan, and a sweaty comet that's been spotted on its way toward the sun.
SciShow
What’s Hiding Inside The Crab Nebula?
The Crab Nebula is one of the most studied things in the sky, but it took glimpses through various wavelengths of the electromagnetic spectrum to get a full picture of what’s hiding inside!
TED-Ed
The world's most dangerous fart | Nick Caruso and Dani Rabaiotti
For most humans, farts are a welcome relief, an embarrassing incident, or an opportunity for a gas-based gag. But for many other creatures, farts are no laughing matter. Deep in the bowels of the animal kingdom, farts can serve as tools...
Bozeman Science
AP Biology Practice 4 - Data Collection Strategies
In this video Paul Andersen describes the science practice of data collection. He begins with a brief description of science and the scientific method. He details concepts related to data collection in each of the four big ideas. He then...
SciShow
Why Do Some Farts Smell So Bad?
Sometimes your farts stink, and sometimes they don't—and it's not because of methane.
TED Talks
TED: The science of scent | Luca Turin
What's the science behind a sublime perfume? With charm and precision, biophysicist Luca Turin explains the molecular makeup -- and the art -- of a scent.
SciShow
There's a Wave Made Out of Fish
If you’ve been to a sporting event with a large number of people, you’ve likely seen, or even been a part of, “the wave.” But did you know that there are little fishies who do a version of the wave not for fun, but for survival?
SciShow
Why Do I Have Tonsil Stones?
If you found the whiteish-yellowish lump on your throat, that might be a tonsil stone. But where does the lump come from? Why do you have it?
SciShow
Why Does Garlic Ruin Dates?
So you went to a nice Italian restaurant for your dinner date and now your entire body reeks of garlic. What is this treachery?
SciShow
Like broccoli? Thank your microbiome. #shorts #science
Like broccoli? Thank your microbiome. #shorts #science
SciShow
Big Idea: Gunpowder
Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.
SciShow
The Deep-Sea Snail with an Iron Shell
Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, but how it builds these scales is a bit of a mystery.
Bozeman Science
Biogeochemical Cycling
Paul Andersen explains how biogeochemical cycling is used to move nutrients from the environment into living material and back again. He explains the water cycle, the carbon cycle, the nitrogen cycle and the phosphorus cycle. He also...
SciShow
Making Materials That Heal Themselves
You might not need to throw away your broken glasses and get new ones anymore, thanks to these unique materials that can heal themselves!