More and more people under 50 are being diagnosed with colorectal cancer. These young people don’t seem to have any of the usual risk factors for colorectal cancer, like an inherited genetic mutation. after some sleuthing, scientists...

Science can help solve the world’s most important problems, and what could be more important than keeping pee off your shoes? Yes, even the lowly urinal—and those who use it—can benefit from the occasional peer-reviewed study. So let’s...

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...

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...

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.



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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...

Whether it's lavender aromatherapy to sleep better or a peppermint oil pill for your irritable bowel syndrome, essential oils have a lot of proposed therapeutic uses. Here's where the research stands on those and others like bergamot...

Companies are putting CBD in just about every kind of product imaginable these days. Which ones actually work? <b<br/>r/>

Hosted by: Niba @NotesByNiba

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...

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. <b<br/>r/>

Hosted by: Hank Green (he/him)

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...

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.



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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,...

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...

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...

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...

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.

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.

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.

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,...

Have you ever wondered why leaves are green and not red, blue, or even black? We did too!

Poop Transplants!

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.

There are several ways the world could end, and scientists have given a lot of thought to what the last living thing will be.