SciShow
We Discovered a New Natural Cycle!
So we all know about the carbon cycle, and the water cycle, and maybe even the nitrogen cycle. But new research has figured out there's a salt cycle, too. Problem is, that same research has found that we already broke it. Here's what...
SciShow
How We Get Sick in Space and How to Recover | Compilation
No one likes being sick, but can you imagine catching a bug while hurling through space? Turns out, this is an issue that many space agencies have worked to study and mitigate.
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Why’d the Ocean Stop Getting Saltier?
If salty water is constantly spilling into the world’s oceans, does that mean they are getting saltier by the day?
SciShow
Engineering Plants That Fertilize Themselves to Save the World
Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...
SciShow
4 Ways to Date an Archaeological Site
From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.
SciShow
How African Dust Feeds Florida's Crops
Massive amounts of dust manage to travel all the way across the ocean, creating some powerful and surprising global effects!
SciShow
The Sensor That Dissolves in Your Brain
In this week's SciShow News, we discuss two new types of sensors being developed. One tracks the content of certain molecules in your sweat while you exercise and the other is a brain implant that can be resorbed once it has finished its...
Bozeman Science
The Synapse
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
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 Squids and Frogs Taught Us About How Brain Cells Talk
Back in the early days of neuroscience, we didn't study the animals you might expect to learn about how brain cells communicate.
SciShow
That Time Apollo 16 Astronauts Got the Farts
Even with scientifically controlled diets, astronauts can't yet safely prevent gas in space. What gives them gas, and why are they still eating it?
SciShow
One Way to Deal With CO2? Reuse It
Is there any better way to create new energy than to make it out of consumed energy sources?
SciShow
Why’d the Ocean Stop Getting Saltier?
If salty water is constantly spilling into the world’s oceans, does that mean they are getting saltier by the day?
SciShow
SciShow Quiz Show: With WheezyWaiter!
Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
Amoeba Sisters
Sodium Potassium Pump
Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...
SciShow
Some Elements can be Liquid and Solid at the Same Time | SciShow News
Some elements can basically be liquids and solids at the same time, which is a whole new state of matter, and scientists have discovered a new species of human in the Republic of the Philippines!
Bozeman Science
Electrochemical Gradient
In this video Paul Andersen explains how the electrochemical gradient is a combination of the chemical and electrical gradient of ions. As ions move across a membrane the potential change creates a hidden force that isn't always apparent.
Bozeman Science
The Nervous System
Paul Andersen begins this podcast with a discussion of brain lateralization and gives a brief demonstration of tests that were performed on split-brain individuals. He then discusses the major parts of a neuron and explains how action...
Bozeman Science
The Action Potential
In this video Paul Andersen details the action potential in neurons. The resting potential of a neuron (-70mV) is maintained through differences in concentration and permeability of Na, K, and Cl ions. A graded potential is created as...
SciShow
What Does "Organic" Mean, and Should You Buy Organic Foods?
There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.
Bozeman Science
Molecular, Ionic, and Net Ionic Equations
In this video Paul Andersen shows you how to write balanced equations that describe chemical changes. He then gives you a short introduction to balancing equations and uses the PHET site to practice this skill. In aqueous solutions an...
SciShow
Can Pickles and Bananas Really Help Athletes?
Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains!
TED-Ed
TED-Ed: The surprising reason our muscles get tired - Christian Moro
Why do our muscles get tired and sore after exercise? Explore how our muscles function, and how you can exercise longer without experiencing muscle fatigue. -- You're lifting weights. The first time feels easy, but each lift takes more...