SciShow
The Artificial Sweetener That's Actually Good For You
You may have heard some pretty bold claims about xylitol, a sugar substitute that's in a lot of things. And while it's definitely bad for dogs, it's great for people, and there's a lot of research out there about some surprising ways...
SciShow
We Turned the Mediterranean Into One Big Particle Physics Experiment
In order to study the smallest particles in the known universe, physicists have to build incredibly huge detectors. One of them, currently under construction, stretches across the Mediterranean from France to Greece. And despite being...
SciShow
The Real Reason the Sky is Blue
If someone (say, a small child) asks you why the sky is blue, you might dive into an explanation of Rayleigh scattering. But if you want to give them a way cooler explanation, you can tell them it's because of bacteria. Hosted by: Stefan...
SciShow
How Safe Are Food Preservatives, Really?
You may have seen some unpronounceable words or weird abbreviations in your food's ingredient lists before, but have you ever wondered why that stuff gets added into your snacks? It's not just for fun, those preservatives are all there...
SciShow
Do These Weird CBD Products Actually Work?
Companies are putting CBD in just about every kind of product imaginable these days. Which ones actually work? Hosted by: Niba @NotesByNiba
SciShow
How Ancient Roman Baths Could Save People and the Planet
Back in the Victorian Era, Englanders thought that the famous Roman Baths were so healing because there was radium in the water. And there was, but that wasn't the real secret. Turns out that the baths are teeming with microbes that...
SciShow
Poop Treats Parkinson’s (and Allergies, and MS, and Liver Disease, and...)
Fecal transplants are often associated with treating intestinal issues, but they have uses far beyond that. In this List Show, we explore five surprising conditions they improve. Hosted by: Hank Green (he/him)
SciShow
The Oldest Living Thing was Trapped for 2 Billion Years
Two billion years ago, an igneous rock in northern South Africa formed. Not long after, some bacteria crawled into cracks in that rock, and got trapped inside when the cracks got plugged up by a bunch of clay. But that bacterial colony...
SciShow
Why On Earth Did We Think Urine Was Sterile?
You've probably heard that urine is sterile. And we're only just learning that's not true. Understanding the urinary microbiome could help us find new ways to treat kidney stones, UTIs, and even bladder cancer. Hosted by: Niba...
Crash Course
How Animals Turn Resources Into Waste: The Poop Episode: Crash Course Biology #43
Yep, this is the poop episode. Getting resources and getting rid of waste is so important, we have three whole systems dedicated to it! In this episode, we’ll learn how the respiratory system, digestive system, and urinary system work,...
Crash Course
Bacterial DNA & Genetics: Crash Course Biology #38
Bacteria often get a bad rap, but they’re some of our best partners in science and medicine! In this episode, we’ll explore what bacteria are doing with their DNA — including how they can trade it around. We’ll learn about chromosomes...
Crash Course
Biological Diversity, Butts, and the Tree of Life: Crash Course Biology #18
Everywhere you look on Earth, you’ll find wonderful and diverse living things, from tiny tardigrades to soaring sequoias. And incredibly, everything alive today, and everything that’s ever lived, is related. In this episode of Crash...
TED Talks
The food that fertilizes itself | Giles E.D. Oldroyd
Could the key to a sustainable food system already be growing in the world's farms? Plant scientist Giles E.D. Oldroyd explores how a special quirk of soybean plants allows them to naturally partner with networks of fungi and bacteria to...
MinuteEarth
Electrical Wires Made Of Bacteria
Most living things on Earth need oxygen to survive, but scientists discovered a species of bacteria that uses oxygen totally differently from every other organism on Earth.
MinuteEarth
The Time I Was a Human Incubator
Premature babies majorly benefit from skin-to-skin contact with a parent –also known as “kangaroo care”– because it reduces infections and hypothermia and increases weight gain and parental involvement.
MinuteEarth
How Much Gold is in Our Poop?
Because of the way digestion works, human poop not only contains dangerous microbes, it also contains a wide variety of other things, many of which we could potentially put to use.
Be Smart
%$?# Allergies!
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...
MinuteEarth
Why Are Leaves Green? Part 1
Have you ever wondered why leaves are green and not red, blue, or even black? We did too!
SciShow Kids
All About Teeth! | SciShow Kids Compilation
In this SciShow Kids compilation, Jessi and Squeaks learn about why teeth are important, how they're different, and why some animals have really weird ones.
SciShow
The Last Living Thing Won't Be a Cockroach
There are several ways the world could end, and scientists have given a lot of thought to what the last living thing will be.
SciShow
Four Weird Ways to Make Electricity
When you think of newer ways to make electricity, solar cells and wind turbines may come to mind. But scientists can make the stuff from just about anything. And they're working on some truly bizarre ways to generate power.
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
The Volcanoes That May Have Started Life on Earth
The nitrogen cycle is essential to life on Earth, but biological nitrogen must be fixed before it can be used. Scientists aren't sure how the first nitrogen became available... but it might have been volcanoes.