On the Internet, koalas get an unnecessary amount of hate, so let's debunk some of the most pervasive koala myths!

Everywhere in the animal kingdom you can find teeth in all sorts of shapes and sizes, so you probably think you have a pretty good idea where they came from. But in reality, this debate is still a hot one, and it may have something to do...

Have you ever lost a tooth? Or maybe you have teeth that are getting a little wiggly? It's all part of growing up! Join Jessi and Squeaks to learn why we lose our baby teeth and how we can take care of our new permanent teeth! Say cheese!

Learn all about teeth! What kinds we have, how they help us, and how human teeth are different from other animals!

Remember that episode we did on Australia’s Pink Lake? Well, we have a follow-up! Hank explains in this episode of SciShow News.

The pigments in our food all get destroyed on their way through our digestive system...so where do the colors of our poop and pee come from?

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FYI: We try to leave jargon out of...

After stalking a cuttlefish, a moray eel finally pounces. As the eel snags the mollusk in its teeth, its prey struggles to escape. But before it can wiggle away, a second set of teeth lunge from the eel's throat. This adaptation is...

Jessi and Squeaks want to learn about what (and how) owls eat! Time to experiment!

The pigments in our food all get destroyed on their way through our digestive system...so where do the colours of our poop and pee come from?

Sharks wouldn’t be known for their fierce teeth today if it weren’t for their ancient scales.

Join Squeaks for one of his favorite episodes all about RATS! You'll get to play a few rounds of true or false to learn some interesting facts about these furry creatures!

Some algae eat their food alive. #shorts #science #SciShow

Conventional wisdom about diets, including government health recommendations, seems to change all the time. And yet ads routinely come out claiming to have THE answer about what we should eat. So how do we distinguish what's actually...

Spit is critical for our health. Actually.

Beavers have done more to shape North American landscapes than any animal beside humans. We don't notice them much today because there aren't many left, but before colonization, North America was home to hundreds of millions of these...

Howcast - You love your new puppy or kitten, but you’re kinda attached to your $3,000 couch, too. Here’s how to protect it and other furnishings from the new member of the family.

Howcast - Save your favorite pair of heels or running shoes by understanding your best friend's behavior and get him to stop munching your moccasins.

Howcast - Learn how to stop your dog from chewing on the furniture in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn how to deal with a biting puppy in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn how to do karate block and counter techniques from karate instructor Richard Amos in this Howcast video.

Howcast - Learn how to use nicotine lozenges to stop smoking from addictions counselor Adam Steiner in this Howcast video.

Howcast - Learn about nicotine gum and how to use it to stop smoking from addictions counselor Adam Steiner in this Howcast video.

Howcast - Learn what zombies eat in this Howcast video about how to survive a zombie attack.

Howcast - Learn how to hold a parrot from Parrot Wizard Michael Sazhin in this Howcast video.