Everyone makes mistakes, but misidentifying a species more than 100 times? It happened. In this List Show, we tell the tale of the periwinkle snail and other creatures scientists confused for someone else. <br/>

Why do so many parasites, especially helminths aka flatworms, jump around as many as THREE hosts to complete their life cycle? Why isn't one host good enough for them? We'll find out why parasites evolve complex life cycles that don't...

On New Year's day, we said goodbye to George the Snail, marking the first extinction of 2019, and the way things are looking, it won't be the last.

Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.

Scientists are discovering new species at the bottom of the ocean and deep in the rainforest, but there are also plenty of new animals being discovered in cities around the world!

There are some diseases, like Zika or malaria, that get a lot of media coverage. However, every year, millions of people are infected with diseases that are just as deadly that we never hear anything about.

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...

Humans have been farming in the ocean for years, but we're not the only saltwater farmers out in the deep blue sea.

A rabbit attempts to play a church organ, while a knight fights a giant snail and a naked man blows a trumpet with his rear end. These bizarre images, painted with squirrel-hair brushes on vellum or parchment by monks, nuns and urban...

Since the 1960s, around 80% of bottom-dwelling species have disappeared from the deep waters of the North Atlantic, potentially all victims of a wrong-way migration phenomenon.

There are a lot of ways to kill and be killed in the animal kingdom, but only a lucky few use the powers of venom. Not all are closely related, so how did they acquire the same defenses, where did venom come from, and how does it work?...

Have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Ever wondered why it's there? Because fish carry a ton of parasites, and if they aren't prepared correctly then those parasites can...

On New Year's day, we said goodbye to George the Snail, marking the first extinction of 2019, and the way things are looking, it won't be the last.

Animals have evolved a variety of ways to survive—including outright theft.

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It's finally spring where Jessi and Squeaks live! Join them as they take a look back at some of their favorite springtime subjects like why it rains, how plants grow, and all the amazing bugs you can find in the spring!

Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, but how it builds these scales is a bit of a mystery.

Also known as cercarial dermatitis, swimmer’s itch is more than just an annoying rash…

We’ve invented airplanes, trains, automobiles and so much more to ease the process of traveling. But many animals have adapted their own techniques for energy efficient travel that don’t require invention!

There are some diseases, like Zika or malaria, that get a lot of media coverage. However, every year, millions of people are infected with diseases that are just as deadly that we never hear anything about.

Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex...

Jessi and Squeaks look at some amazing creatures that they found in their garden: snails and slugs!

Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.

There are many creatures on the internet that do not actually exist, even though we would like them to. Like, would you believe there is an animal that can photosynthesize, decapitate itself, and is incredibly cute? They are the...

Howcast - Learn what zombie animals exist in nature in this Howcast video about how to survive a zombie attack.