Humans make a lot of noise! Transportation, industries, & how we work and play in natural spaces all have an impact on the sound we put out every day, and all this noise pollution is disrupting how animals use sound to communicate.

Researchers have unlocked the final gaps in the human genome, and what they tell us could mean big waves for the future of medicine.

Jessi and Squeaks are busy working in their garden, and they'd like to share one trick that keeps their plants happy!

Paul Andersen explains how pigments can be separated using chromatography. He shows how you can calculate the Rf value for each pigment. He then explains how you can measure the rate of photosynthesis using leaf chads and water...

In this video Paul Andersen explains the basics of solid waste including trends over time, basic composition, and disposal. A brief description of the three R's (reuse, reduce, and recycle) is included as ways to minimize waste. ...

In this video Paul Andersen explains the important properties of solutions. A solution can be either a solid, liquid or gas but it must be homogeneous in nature. The solutes can not be separated with a filter and so either...

Have you ever looked really closely at your fingertips and noticed that they're covered in little bumps and ridges? Those are your fingerprints, a unique part of your body that helps make you... you!

Earth is not flat. So, representing it on a flat surface can be challenging and always requires compromises.

The perfect balance of radioactive elements inside planets like ours might make it habitable, and researchers are challenging some ideas about how Mars is losing its water.

How did fishermen record their trophy catches before the invention of photography? In 19th century Japan, fishing boats were equipped with rice paper, sumi-e ink, and brushes in order to create gyotaku: elaborate rubbings of freshly...

Ever wonder why the earth has different seasons? Michael Aranda will explain in this episode of SciShow Quick Questions.

We often see beautiful rainbows during or right after a rain storm, but did you know that you can make your very own rainbow at home? Join Jessi and Squeaks to learn how!

Humans make a lot of garbage every day, and a lot of it ends up in big, smelly dumps. Luckily, there are things we can do to reuse a lot of our garbage and keep the Earth healthy and clean! Join Jessi and find out how!

Today we’re going to talk about data relationships and what we can learn from them. We’ll focus on correlation, which is a measure of how two variables move together, and we’ll also introduce some useful statistical terms you’ve probably...

Lakshmi Pratury remembers the lost art of letter-writing and shares a series of notes her father wrote to her before he died. Her short but heartfelt talk may inspire you to set pen to paper, too.

Today on Crash Course Literature, John Green teaches you about The Yellow Wallpaper, by Charlotte Perkins Gilman. The Yellow Wallpaper tells the story of a woman who is a prisoner in her own home, in the name of caring for her mental...

Squeaks is getting ready to head back to school and he couldn’t be more excited! To make sure he’s all set for the first day, he and Jessi are watching some videos so he goes in confident and prepared!

The world doesn't have to be shrouded in mystery to be fascinating! Here are 6 mysteries that science has managed to solve.

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Craft along with Jessi and Squeaks to make your own insect art!

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the...

The sun is out and Jessi and Squeaks are ready to perform all kinds of fun outdoor science experiments! Let's take a look at some of the fun activities they've done before, like making a kite, building a solar tower, blowing bubbles, and...

Writing research papers is an essential skill in your career as a student, and this week we're going to help you do that like a pro. From figuring out where to begin, to finding the best systems, to breaking out of the research recursion...

You're on YouTube right now, but you should probably be studying or writing that research paper. But as long as you're here, we're going to help you figure out how to get the better of your desire to procrastinate in the future. Just...

It's the beginning of a new semester! We have some psychological tips that can help you to take better notes.