Your hair isn't just something you have to deal with every morning, it's a part of who you are, and there are things it can tell you about your personal health. Hosted by: Hank Green

A food and arts festival in central Wisconsin has grand ambitions. "Fermentation Fest" celebrates art, farming and all things fermented. But in addition to serving up sauerkraut and kombucha, festival organizers also hope it provides an...

As we walk through our daily environments, we're surrounded by exotic creatures that are too small to see with the naked eye. We usually imagine these microscopic organisms, or microbes, as asocial cells that float around by themselves....

We all know that brushing our teeth is important but now with this experiment you can actually SEE how brushing keeps your teeth clean!

There are a few reasons that modern humans have to brush our teeth to stay healthy, even though our primate cousins don’t. Grab your floss and find the answers inside!

Join Jessi and Squeaks to see how you can make your very own alien egg!

There’s nothing fun about getting a cavity! It can feel like there’s not much you can do to prevent them, but researchers are working on several ways to tackle their main cause so we can create a cavity-free world!

Join Jessi and Squeaks in their brand new fort as they answer letters from their friends in Ivydale, England!

The rat's tail plant, or Babiana ringens earns its name for the distinct stem that grows above its flowers. But what's the purpose of this odd looking appendage?

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Your hair isn't just something you have to deal with every morning, it's a part of who you are, and there are things it can tell you about your personal health. Chapters DANDRUFF 0:52 2 GENERAL HAIR LOSS 4:11 PATCHY HAIR LOSS 4:29...

Have you ever noticed that toothpaste makes some yummy foods, like orange juice, taste awful? QQ explains!

For more than a decade, Opportunity has been one of our best tools for understanding Mars, but after eight months of listening and hoping, it was officially time to put the rover to bed.

We all need to do it! Learn why we all should brush our teeth, and how brushing keeps our teeth strong and healthy!

Fresh water is essential for life -- and there's not nearly enough of it for the world right now. Why is that, and what could we do? Christiana Z. Peppard lays out the big questions of our global water problem. And no, shorter showers...

This video is brought to you by the Child and Teen Checkups program of the Minnesota Department of Health.

What Kind of Toothbrush Should You Use?

Howcast - Pulling off the perfect ponytail is easy once you know a few tricks.

Howcast - The modern knot is an updated version of the classic chignon. Here’s how to get the look.

Howcast - This is no schoolmarm style. You'll instantly look chic with a messy bun.

Howcast - You can’t expect to paint a masterpiece on untreated cloth. Here’s how to gesso, or prime, a homemade canvas in a hurry.

Howcast - The proper method for cleaning any antique clock depends on the clock's age, but there are general rules to follow.

Howcast - Learn how to mattify your face from professional makeup artist Michelle Dittrich in this Howcast wedding makeup tutorial.

Howcast - Let professional makeup artist Patricia Longo teach you how to apply blush perfectly in this makeup tutorial from Howcast.

Howcast - Let professional makeup artist Patricia Longo teach you how to pick the best mascara for you in this eye makeup tutorial from Howcast.